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+ return false; // return false so this parser is not auto detected
+ },
+ format: function(orig) { // format data for normalization
+ // console.log(orig);
+ val = orig.replace(/ns/,'');
+ if (val != orig) { return val / (1000*1000*1000); }
+ val = orig.replace(/µs/,''); /* XXX use µ ? */
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+ var val = orig.replace(/ms/,'');
+ if (val != orig) { return val / (1000); }
+ var val = orig.replace(/s/,'');
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+ if (orig == '0') { return orig; }
+ console.log('no match for fmt_time of '.concat(orig));
+ return orig;
+ },
+ type: 'numeric' // set type, either numeric or text
+ });
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+ <span class="siteTitle">NYTProf Performance Profile</span>
+ <span class="siteSubtitle">  <span>« <span class="mode_btn mode_btn_selected">block view</span> • <span class="mode_btn"><a href="Socket-pm-485-line.html">line view</a></span> • <span class="mode_btn"><a href="Socket-pm-485-sub.html">sub view</a></span> »</span><br />
+ For script/nytprof.pl
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+<div class="headerForeground" style="float: right; text-align: right">
+ <span class="siteTitle"> </span>
+ <span class="siteSubtitle">Run on Thu May 31 16:29:39 2012<br />Reported on Thu May 31 16:35:56 2012</span>
+</div>
+<div style="position: absolute; left: 0px; top: 0%; width: 100%; height: 101%; z-index: -1; background-color: rgb(17, 136, 255); "></div>
+<div style="position: absolute; left: 0px; top: 2%; width: 100%; height: 99%; z-index: -1; background-color: rgb(16, 134, 253); "></div>
+<div style="position: absolute; left: 0px; top: 4%; width: 100%; height: 97%; z-index: -1; background-color: rgb(16, 133, 252); "></div>
+<div style="position: absolute; left: 0px; top: 6%; width: 100%; height: 95%; z-index: -1; background-color: rgb(15, 131, 250); "></div>
+<div style="position: absolute; left: 0px; top: 8%; width: 100%; height: 93%; z-index: -1; background-color: rgb(15, 130, 249); "></div>
+<div style="position: absolute; left: 0px; top: 10%; width: 100%; height: 91%; z-index: -1; background-color: rgb(15, 129, 248); "></div>
+<div style="position: absolute; left: 0px; top: 12%; width: 100%; height: 89%; z-index: -1; background-color: rgb(14, 127, 246); "></div>
+<div style="position: absolute; left: 0px; top: 14%; width: 100%; height: 87%; z-index: -1; background-color: rgb(14, 126, 245); "></div>
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+<div style="position: absolute; left: 0px; top: 70%; width: 100%; height: 31%; z-index: -1; background-color: rgb(5, 88, 207); "></div>
+<div style="position: absolute; left: 0px; top: 72%; width: 100%; height: 29%; z-index: -1; background-color: rgb(4, 87, 206); "></div>
+<div style="position: absolute; left: 0px; top: 74%; width: 100%; height: 27%; z-index: -1; background-color: rgb(4, 85, 204); "></div>
+<div style="position: absolute; left: 0px; top: 76%; width: 100%; height: 25%; z-index: -1; background-color: rgb(4, 84, 203); "></div>
+<div style="position: absolute; left: 0px; top: 78%; width: 100%; height: 23%; z-index: -1; background-color: rgb(3, 82, 201); "></div>
+<div style="position: absolute; left: 0px; top: 80%; width: 100%; height: 21%; z-index: -1; background-color: rgb(3, 81, 200); "></div>
+<div style="position: absolute; left: 0px; top: 82%; width: 100%; height: 19%; z-index: -1; background-color: rgb(3, 80, 199); "></div>
+<div style="position: absolute; left: 0px; top: 84%; width: 100%; height: 17%; z-index: -1; background-color: rgb(2, 78, 197); "></div>
+<div style="position: absolute; left: 0px; top: 86%; width: 100%; height: 15%; z-index: -1; background-color: rgb(2, 77, 196); "></div>
+<div style="position: absolute; left: 0px; top: 88%; width: 100%; height: 13%; z-index: -1; background-color: rgb(2, 76, 195); "></div>
+<div style="position: absolute; left: 0px; top: 90%; width: 100%; height: 11%; z-index: -1; background-color: rgb(1, 74, 193); "></div>
+<div style="position: absolute; left: 0px; top: 92%; width: 100%; height: 9%; z-index: -1; background-color: rgb(1, 73, 192); "></div>
+<div style="position: absolute; left: 0px; top: 94%; width: 100%; height: 7%; z-index: -1; background-color: rgb(1, 72, 191); "></div>
+<div style="position: absolute; left: 0px; top: 96%; width: 100%; height: 5%; z-index: -1; background-color: rgb(0, 70, 189); "></div>
+<div style="position: absolute; left: 0px; top: 98%; width: 100%; height: 3%; z-index: -1; background-color: rgb(0, 69, 188); "></div>
+<div style="position: absolute; left: 0px; top: 100%; width: 100%; height: 1%; z-index: -1; background-color: rgb(0, 68, 187); "></div>
+</div>
+
+<div class="body_content"><br />
+<table class="file_summary"><tr><td class="h">Filename</td><td align="left"><a href="file:///Users/edenc/perl5/lib/perl5/darwin-multi-2level/Socket.pm">/Users/edenc/perl5/lib/perl5/darwin-multi-2level/Socket.pm</a></td></tr>
+<tr><td class="h">Statements</td><td align="left">Executed 30 statements in 3.11ms</td></tr></table>
+
+ <table id="subs_table" border="1" cellpadding="0" class="tablesorter">
+ <caption>Subroutines</caption>
+ <thead>
+ <tr>
+ <th>Calls</th>
+ <th><span title="Number of Places sub is called from">P</span></th>
+ <th><span title="Number of Files sub is called from">F</span></th>
+ <th>Exclusive<br />Time</th>
+ <th>Inclusive<br />Time</th>
+ <th>Subroutine</th>
+ </tr>
+ </thead>
+ <tbody>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">44µs</span></td><td class="c1"><span title="0.0%">44µs</span></td><td class="sub_name"><span style="display: none;">Socket::::CORE:regcomp</span>Socket::<a href="Socket-pm-485-block.html#Socket__CORE_regcomp">CORE:regcomp</a> (opcode)</span></td></tr>
+<tr><td class="c0">79</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">22µs</span></td><td class="c3"><span title="0.0%">22µs</span></td><td class="sub_name"><span style="display: none;">Socket::::CORE:match</span>Socket::<a href="Socket-pm-485-block.html#Socket__CORE_match">CORE:match</a> (opcode)</span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c1"><span title="0.0%">19µs</span></td><td class="c3"><span title="0.0%">19µs</span></td><td class="sub_name"><span style="display: none;">Socket::::BEGIN@4</span>Socket::<a href="Socket-pm-485-block.html#4">BEGIN@4</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c1"><span title="0.0%">15µs</span></td><td class="c3"><span title="0.0%">20µs</span></td><td class="sub_name"><span style="display: none;">Socket::::BEGIN@3</span>Socket::<a href="Socket-pm-485-block.html#3">BEGIN@3</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">10µs</span></td><td class="c0"><span title="0.0%">105µs</span></td><td class="sub_name"><span style="display: none;">Socket::::BEGIN@649</span>Socket::<a href="Socket-pm-485-block.html#649">BEGIN@649</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">10µs</span></td><td class="c1"><span title="0.0%">50µs</span></td><td class="sub_name"><span style="display: none;">Socket::::BEGIN@648</span>Socket::<a href="Socket-pm-485-block.html#648">BEGIN@648</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">10µs</span></td><td class="c3"><span title="0.0%">27µs</span></td><td class="sub_name"><span style="display: none;">Socket::::BEGIN@869</span>Socket::<a href="Socket-pm-485-block.html#869">BEGIN@869</a></span></td></tr>
+<tr><td class="c1">2</td><td class="c1">2</td><td class="c3">1</td><td class="c3"><span title="0.0%">7µs</span></td><td class="c3"><span title="0.0%">7µs</span></td><td class="sub_name"><span style="display: none;">Socket::::CORE:qr</span>Socket::<a href="Socket-pm-485-block.html#Socket__CORE_qr">CORE:qr</a> (opcode)</span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">4µs</span></td><td class="c3"><span title="0.0%">4µs</span></td><td class="sub_name"><span style="display: none;">Socket::::BEGIN@757</span>Socket::<a href="Socket-pm-485-block.html#757">BEGIN@757</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Socket::::__ANON__[:870]</span>Socket::<a href="Socket-pm-485-block.html#870">__ANON__[:870]</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Socket::::fake_getaddrinfo</span>Socket::<a href="Socket-pm-485-block.html#899">fake_getaddrinfo</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Socket::::fake_getnameinfo</span>Socket::<a href="Socket-pm-485-block.html#1008">fake_getnameinfo</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Socket::::fake_makeerr</span>Socket::<a href="Socket-pm-485-block.html#892">fake_makeerr</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Socket::::sockaddr_in</span>Socket::<a href="Socket-pm-485-block.html#772">sockaddr_in</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Socket::::sockaddr_in6</span>Socket::<a href="Socket-pm-485-block.html#787">sockaddr_in6</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Socket::::sockaddr_un</span>Socket::<a href="Socket-pm-485-block.html#798">sockaddr_un</a></span></td></tr>
+</tbody></table>
+ Call graph for these subroutines as a
+ <a href="http://en.wikipedia.org/wiki/Graphviz">Graphviz</a>
+ <a href="Users-edenc-perl5-lib-perl5-darwin-multi-2level-Socket-pm.dot">dot language file</a>.
+
+ <table border="1" cellpadding="0">
+ <thead>
+ <tr><th>Line</th>
+ <th><span title="Number of statements executed">State<br />ments</span></th>
+ <th><span title="Time spend executing statements on the line,
+ excluding time spent executing statements in any called subroutines">Time<br />on line</span></th>
+ <th><span title="Number of subroutines calls">Calls</span></th>
+ <th><span title="Time spent in subroutines called (inclusive)">Time<br />in subs</span></th>
+ <th class="left_indent_header">Code</th>
+ </tr>
+
+ </thead>
+ <tbody>
+ <tr><td class="h"><a name="1"></a>1</td><td></td><td></td><td></td><td></td><td class="s">package Socket;</td></tr>
+<tr><td class="h"><a name="2"></a>2</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="3"></a>3</td><td class="c1">2</td><td class="c2"><span title="Avg 12µs">24µs</span></td><td class="c3">2</td><td class="c3">25µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 20µs (15+5) within Socket::BEGIN@3 which was called:
+# once (15µs+5µs) by IO::Socket::BEGIN@12 at <a href="Socket-pm-485-block.html#3">line 3</a></div></div>use strict;<div class="calls"><div class="calls_out"># spent 20µs making 1 call to <a href="Socket-pm-485-block.html#3">Socket::BEGIN@3</a>
+# spent 5µs making 1 call to <a href="strict-pm-3-block.html#34">strict::import</a></div></div></td></tr>
+<tr><td class="h"><a name="4"></a>4</td><td class="c0">3</td><td class="c0"><span title="Avg 96µs">287µs</span></td><td class="c3">1</td><td class="c3">19µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 19µs within Socket::BEGIN@4 which was called:
+# once (19µs+0s) by IO::Socket::BEGIN@12 at <a href="Socket-pm-485-block.html#4">line 4</a></div></div>{ use 5.006001; }<div class="calls"><div class="calls_out"># spent 19µs making 1 call to <a href="Socket-pm-485-block.html#4">Socket::BEGIN@4</a></div></div></td></tr>
+<tr><td class="h"><a name="5"></a>5</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="6"></a>6</td><td class="c3">1</td><td class="c3"><span title="Avg 800ns">800ns</span></td><td></td><td></td><td class="s">our $VERSION = '2.001';</td></tr>
+<tr><td class="h"><a name="7"></a>7</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="8"></a>8</td><td></td><td></td><td></td><td></td><td class="s">=head1 NAME</td></tr>
+<tr><td class="h"><a name="9"></a>9</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="10"></a>10</td><td></td><td></td><td></td><td></td><td class="s">C<Socket> - networking constants and support functions</td></tr>
+<tr><td class="h"><a name="11"></a>11</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="12"></a>12</td><td></td><td></td><td></td><td></td><td class="s">=head1 SYNOPSIS</td></tr>
+<tr><td class="h"><a name="13"></a>13</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="14"></a>14</td><td></td><td></td><td></td><td></td><td class="s">C<Socket> a low-level module used by, among other things, the L<IO::Socket></td></tr>
+<tr><td class="h"><a name="15"></a>15</td><td></td><td></td><td></td><td></td><td class="s">family of modules. The following examples demonstrate some low-level uses but</td></tr>
+<tr><td class="h"><a name="16"></a>16</td><td></td><td></td><td></td><td></td><td class="s">a practical program would likely use the higher-level API provided by</td></tr>
+<tr><td class="h"><a name="17"></a>17</td><td></td><td></td><td></td><td></td><td class="s">C<IO::Socket> or similar instead.</td></tr>
+<tr><td class="h"><a name="18"></a>18</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="19"></a>19</td><td></td><td></td><td></td><td></td><td class="s"> use Socket qw(PF_INET SOCK_STREAM pack_sockaddr_in inet_aton);</td></tr>
+<tr><td class="h"><a name="20"></a>20</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="21"></a>21</td><td></td><td></td><td></td><td></td><td class="s"> socket(my $socket, PF_INET, SOCK_STREAM, 0)</td></tr>
+<tr><td class="h"><a name="22"></a>22</td><td></td><td></td><td></td><td></td><td class="s"> or die "socket: $!";</td></tr>
+<tr><td class="h"><a name="23"></a>23</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="24"></a>24</td><td></td><td></td><td></td><td></td><td class="s"> my $port = getservbyname "echo", "tcp";</td></tr>
+<tr><td class="h"><a name="25"></a>25</td><td></td><td></td><td></td><td></td><td class="s"> connect($socket, pack_sockaddr_in($port, inet_aton("localhost")))</td></tr>
+<tr><td class="h"><a name="26"></a>26</td><td></td><td></td><td></td><td></td><td class="s"> or die "connect: $!";</td></tr>
+<tr><td class="h"><a name="27"></a>27</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="28"></a>28</td><td></td><td></td><td></td><td></td><td class="s"> print $socket "Hello, world!\n";</td></tr>
+<tr><td class="h"><a name="29"></a>29</td><td></td><td></td><td></td><td></td><td class="s"> print <$socket>;</td></tr>
+<tr><td class="h"><a name="30"></a>30</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="31"></a>31</td><td></td><td></td><td></td><td></td><td class="s">See also the L</EXAMPLES> section.</td></tr>
+<tr><td class="h"><a name="32"></a>32</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="33"></a>33</td><td></td><td></td><td></td><td></td><td class="s">=head1 DESCRIPTION</td></tr>
+<tr><td class="h"><a name="34"></a>34</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="35"></a>35</td><td></td><td></td><td></td><td></td><td class="s">This module provides a variety of constants, structure manipulators and other</td></tr>
+<tr><td class="h"><a name="36"></a>36</td><td></td><td></td><td></td><td></td><td class="s">functions related to socket-based networking. The values and functions</td></tr>
+<tr><td class="h"><a name="37"></a>37</td><td></td><td></td><td></td><td></td><td class="s">provided are useful when used in conjunction with Perl core functions such as</td></tr>
+<tr><td class="h"><a name="38"></a>38</td><td></td><td></td><td></td><td></td><td class="s">socket(), setsockopt() and bind(). It also provides several other support</td></tr>
+<tr><td class="h"><a name="39"></a>39</td><td></td><td></td><td></td><td></td><td class="s">functions, mostly for dealing with conversions of network addresses between</td></tr>
+<tr><td class="h"><a name="40"></a>40</td><td></td><td></td><td></td><td></td><td class="s">human-readable and native binary forms, and for hostname resolver operations.</td></tr>
+<tr><td class="h"><a name="41"></a>41</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="42"></a>42</td><td></td><td></td><td></td><td></td><td class="s">Some constants and functions are exported by default by this module; but for</td></tr>
+<tr><td class="h"><a name="43"></a>43</td><td></td><td></td><td></td><td></td><td class="s">backward-compatibility any recently-added symbols are not exported by default</td></tr>
+<tr><td class="h"><a name="44"></a>44</td><td></td><td></td><td></td><td></td><td class="s">and must be requested explicitly. When an import list is provided to the</td></tr>
+<tr><td class="h"><a name="45"></a>45</td><td></td><td></td><td></td><td></td><td class="s">C<use Socket> line, the default exports are not automatically imported. It is</td></tr>
+<tr><td class="h"><a name="46"></a>46</td><td></td><td></td><td></td><td></td><td class="s">therefore best practice to always to explicitly list all the symbols required.</td></tr>
+<tr><td class="h"><a name="47"></a>47</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="48"></a>48</td><td></td><td></td><td></td><td></td><td class="s">Also, some common socket "newline" constants are provided: the constants</td></tr>
+<tr><td class="h"><a name="49"></a>49</td><td></td><td></td><td></td><td></td><td class="s">C<CR>, C<LF>, and C<CRLF>, as well as C<$CR>, C<$LF>, and C<$CRLF>, which map</td></tr>
+<tr><td class="h"><a name="50"></a>50</td><td></td><td></td><td></td><td></td><td class="s">to C<\015>, C<\012>, and C<\015\012>. If you do not want to use the literal</td></tr>
+<tr><td class="h"><a name="51"></a>51</td><td></td><td></td><td></td><td></td><td class="s">characters in your programs, then use the constants provided here. They are</td></tr>
+<tr><td class="h"><a name="52"></a>52</td><td></td><td></td><td></td><td></td><td class="s">not exported by default, but can be imported individually, and with the</td></tr>
+<tr><td class="h"><a name="53"></a>53</td><td></td><td></td><td></td><td></td><td class="s">C<:crlf> export tag:</td></tr>
+<tr><td class="h"><a name="54"></a>54</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="55"></a>55</td><td></td><td></td><td></td><td></td><td class="s"> use Socket qw(:DEFAULT :crlf);</td></tr>
+<tr><td class="h"><a name="56"></a>56</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="57"></a>57</td><td></td><td></td><td></td><td></td><td class="s"> $sock->print("GET / HTTP/1.0$CRLF");</td></tr>
+<tr><td class="h"><a name="58"></a>58</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="59"></a>59</td><td></td><td></td><td></td><td></td><td class="s">The entire getaddrinfo() subsystem can be exported using the tag C<:addrinfo>;</td></tr>
+<tr><td class="h"><a name="60"></a>60</td><td></td><td></td><td></td><td></td><td class="s">this exports the getaddrinfo() and getnameinfo() functions, and all the</td></tr>
+<tr><td class="h"><a name="61"></a>61</td><td></td><td></td><td></td><td></td><td class="s">C<AI_*>, C<NI_*>, C<NIx_*> and C<EAI_*> constants.</td></tr>
+<tr><td class="h"><a name="62"></a>62</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="63"></a>63</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="64"></a>64</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="65"></a>65</td><td></td><td></td><td></td><td></td><td class="s">=head1 CONSTANTS</td></tr>
+<tr><td class="h"><a name="66"></a>66</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="67"></a>67</td><td></td><td></td><td></td><td></td><td class="s">In each of the following groups, there may be many more constants provided</td></tr>
+<tr><td class="h"><a name="68"></a>68</td><td></td><td></td><td></td><td></td><td class="s">than just the ones given as examples in the section heading. If the heading</td></tr>
+<tr><td class="h"><a name="69"></a>69</td><td></td><td></td><td></td><td></td><td class="s">ends C<...> then this means there are likely more; the exact constants</td></tr>
+<tr><td class="h"><a name="70"></a>70</td><td></td><td></td><td></td><td></td><td class="s">provided will depend on the OS and headers found at compile-time.</td></tr>
+<tr><td class="h"><a name="71"></a>71</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="72"></a>72</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="73"></a>73</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="74"></a>74</td><td></td><td></td><td></td><td></td><td class="s">=head2 PF_INET, PF_INET6, PF_UNIX, ...</td></tr>
+<tr><td class="h"><a name="75"></a>75</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="76"></a>76</td><td></td><td></td><td></td><td></td><td class="s">Protocol family constants to use as the first argument to socket() or the</td></tr>
+<tr><td class="h"><a name="77"></a>77</td><td></td><td></td><td></td><td></td><td class="s">value of the C<SO_DOMAIN> or C<SO_FAMILY> socket option.</td></tr>
+<tr><td class="h"><a name="78"></a>78</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="79"></a>79</td><td></td><td></td><td></td><td></td><td class="s">=head2 AF_INET, AF_INET6, AF_UNIX, ...</td></tr>
+<tr><td class="h"><a name="80"></a>80</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="81"></a>81</td><td></td><td></td><td></td><td></td><td class="s">Address family constants used by the socket address structures, to pass to</td></tr>
+<tr><td class="h"><a name="82"></a>82</td><td></td><td></td><td></td><td></td><td class="s">such functions as inet_pton() or getaddrinfo(), or are returned by such</td></tr>
+<tr><td class="h"><a name="83"></a>83</td><td></td><td></td><td></td><td></td><td class="s">functions as sockaddr_family().</td></tr>
+<tr><td class="h"><a name="84"></a>84</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="85"></a>85</td><td></td><td></td><td></td><td></td><td class="s">=head2 SOCK_STREAM, SOCK_DGRAM, SOCK_RAW, ...</td></tr>
+<tr><td class="h"><a name="86"></a>86</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="87"></a>87</td><td></td><td></td><td></td><td></td><td class="s">Socket type constants to use as the second argument to socket(), or the value</td></tr>
+<tr><td class="h"><a name="88"></a>88</td><td></td><td></td><td></td><td></td><td class="s">of the C<SO_TYPE> socket option.</td></tr>
+<tr><td class="h"><a name="89"></a>89</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="90"></a>90</td><td></td><td></td><td></td><td></td><td class="s">=head2 SOL_SOCKET</td></tr>
+<tr><td class="h"><a name="91"></a>91</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="92"></a>92</td><td></td><td></td><td></td><td></td><td class="s">Socket option level constant for setsockopt() and getsockopt().</td></tr>
+<tr><td class="h"><a name="93"></a>93</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="94"></a>94</td><td></td><td></td><td></td><td></td><td class="s">=head2 SO_ACCEPTCONN, SO_BROADCAST, SO_ERROR, ...</td></tr>
+<tr><td class="h"><a name="95"></a>95</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="96"></a>96</td><td></td><td></td><td></td><td></td><td class="s">Socket option name constants for setsockopt() and getsockopt() at the</td></tr>
+<tr><td class="h"><a name="97"></a>97</td><td></td><td></td><td></td><td></td><td class="s">C<SOL_SOCKET> level.</td></tr>
+<tr><td class="h"><a name="98"></a>98</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="99"></a>99</td><td></td><td></td><td></td><td></td><td class="s">=head2 IP_OPTIONS, IP_TOS, IP_TTL, ...</td></tr>
+<tr><td class="h"><a name="100"></a>100</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="101"></a>101</td><td></td><td></td><td></td><td></td><td class="s">Socket option name constants for IPv4 socket options at the C<IPPROTO_IP></td></tr>
+<tr><td class="h"><a name="102"></a>102</td><td></td><td></td><td></td><td></td><td class="s">level.</td></tr>
+<tr><td class="h"><a name="103"></a>103</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="104"></a>104</td><td></td><td></td><td></td><td></td><td class="s">=head2 MSG_BCAST, MSG_OOB, MSG_TRUNC, ...</td></tr>
+<tr><td class="h"><a name="105"></a>105</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="106"></a>106</td><td></td><td></td><td></td><td></td><td class="s">Message flag constants for send() and recv().</td></tr>
+<tr><td class="h"><a name="107"></a>107</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="108"></a>108</td><td></td><td></td><td></td><td></td><td class="s">=head2 SHUT_RD, SHUT_RDWR, SHUT_WR</td></tr>
+<tr><td class="h"><a name="109"></a>109</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="110"></a>110</td><td></td><td></td><td></td><td></td><td class="s">Direction constants for shutdown().</td></tr>
+<tr><td class="h"><a name="111"></a>111</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="112"></a>112</td><td></td><td></td><td></td><td></td><td class="s">=head2 INADDR_ANY, INADDR_BROADCAST, INADDR_LOOPBACK, INADDR_NONE</td></tr>
+<tr><td class="h"><a name="113"></a>113</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="114"></a>114</td><td></td><td></td><td></td><td></td><td class="s">Constants giving the special C<AF_INET> addresses for wildcard, broadcast,</td></tr>
+<tr><td class="h"><a name="115"></a>115</td><td></td><td></td><td></td><td></td><td class="s">local loopback, and invalid addresses.</td></tr>
+<tr><td class="h"><a name="116"></a>116</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="117"></a>117</td><td></td><td></td><td></td><td></td><td class="s">Normally equivalent to inet_aton('0.0.0.0'), inet_aton('255.255.255.255'),</td></tr>
+<tr><td class="h"><a name="118"></a>118</td><td></td><td></td><td></td><td></td><td class="s">inet_aton('localhost') and inet_aton('255.255.255.255') respectively.</td></tr>
+<tr><td class="h"><a name="119"></a>119</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="120"></a>120</td><td></td><td></td><td></td><td></td><td class="s">=head2 IPPROTO_IP, IPPROTO_IPV6, IPPROTO_TCP, ...</td></tr>
+<tr><td class="h"><a name="121"></a>121</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="122"></a>122</td><td></td><td></td><td></td><td></td><td class="s">IP protocol constants to use as the third argument to socket(), the level</td></tr>
+<tr><td class="h"><a name="123"></a>123</td><td></td><td></td><td></td><td></td><td class="s">argument to getsockopt() or setsockopt(), or the value of the C<SO_PROTOCOL></td></tr>
+<tr><td class="h"><a name="124"></a>124</td><td></td><td></td><td></td><td></td><td class="s">socket option.</td></tr>
+<tr><td class="h"><a name="125"></a>125</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="126"></a>126</td><td></td><td></td><td></td><td></td><td class="s">=head2 TCP_CORK, TCP_KEEPALIVE, TCP_NODELAY, ...</td></tr>
+<tr><td class="h"><a name="127"></a>127</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="128"></a>128</td><td></td><td></td><td></td><td></td><td class="s">Socket option name constants for TCP socket options at the C<IPPROTO_TCP></td></tr>
+<tr><td class="h"><a name="129"></a>129</td><td></td><td></td><td></td><td></td><td class="s">level.</td></tr>
+<tr><td class="h"><a name="130"></a>130</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="131"></a>131</td><td></td><td></td><td></td><td></td><td class="s">=head2 IN6ADDR_ANY, IN6ADDR_LOOPBACK</td></tr>
+<tr><td class="h"><a name="132"></a>132</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="133"></a>133</td><td></td><td></td><td></td><td></td><td class="s">Constants giving the special C<AF_INET6> addresses for wildcard and local</td></tr>
+<tr><td class="h"><a name="134"></a>134</td><td></td><td></td><td></td><td></td><td class="s">loopback.</td></tr>
+<tr><td class="h"><a name="135"></a>135</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="136"></a>136</td><td></td><td></td><td></td><td></td><td class="s">Normally equivalent to inet_pton(AF_INET6, "::") and</td></tr>
+<tr><td class="h"><a name="137"></a>137</td><td></td><td></td><td></td><td></td><td class="s">inet_pton(AF_INET6, "::1") respectively.</td></tr>
+<tr><td class="h"><a name="138"></a>138</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="139"></a>139</td><td></td><td></td><td></td><td></td><td class="s">=head2 IPV6_ADD_MEMBERSHIP, IPV6_MTU, IPV6_V6ONLY, ...</td></tr>
+<tr><td class="h"><a name="140"></a>140</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="141"></a>141</td><td></td><td></td><td></td><td></td><td class="s">Socket option name constants for IPv6 socket options at the C<IPPROTO_IPV6></td></tr>
+<tr><td class="h"><a name="142"></a>142</td><td></td><td></td><td></td><td></td><td class="s">level.</td></tr>
+<tr><td class="h"><a name="143"></a>143</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="144"></a>144</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="145"></a>145</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="146"></a>146</td><td></td><td></td><td></td><td></td><td class="s"># Still undocumented: SCM_*, SOMAXCONN, IOV_MAX, UIO_MAXIOV</td></tr>
+<tr><td class="h"><a name="147"></a>147</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="148"></a>148</td><td></td><td></td><td></td><td></td><td class="s">=head1 STRUCTURE MANIPULATORS</td></tr>
+<tr><td class="h"><a name="149"></a>149</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="150"></a>150</td><td></td><td></td><td></td><td></td><td class="s">The following functions convert between lists of Perl values and packed binary</td></tr>
+<tr><td class="h"><a name="151"></a>151</td><td></td><td></td><td></td><td></td><td class="s">strings representing structures.</td></tr>
+<tr><td class="h"><a name="152"></a>152</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="153"></a>153</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="154"></a>154</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="155"></a>155</td><td></td><td></td><td></td><td></td><td class="s">=head2 $family = sockaddr_family $sockaddr</td></tr>
+<tr><td class="h"><a name="156"></a>156</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="157"></a>157</td><td></td><td></td><td></td><td></td><td class="s">Takes a packed socket address (as returned by pack_sockaddr_in(),</td></tr>
+<tr><td class="h"><a name="158"></a>158</td><td></td><td></td><td></td><td></td><td class="s">pack_sockaddr_un() or the perl builtin functions getsockname() and</td></tr>
+<tr><td class="h"><a name="159"></a>159</td><td></td><td></td><td></td><td></td><td class="s">getpeername()). Returns the address family tag. This will be one of the</td></tr>
+<tr><td class="h"><a name="160"></a>160</td><td></td><td></td><td></td><td></td><td class="s">C<AF_*> constants, such as C<AF_INET> for a C<sockaddr_in> addresses or</td></tr>
+<tr><td class="h"><a name="161"></a>161</td><td></td><td></td><td></td><td></td><td class="s">C<AF_UNIX> for a C<sockaddr_un>. It can be used to figure out what unpack to</td></tr>
+<tr><td class="h"><a name="162"></a>162</td><td></td><td></td><td></td><td></td><td class="s">use for a sockaddr of unknown type.</td></tr>
+<tr><td class="h"><a name="163"></a>163</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="164"></a>164</td><td></td><td></td><td></td><td></td><td class="s">=head2 $sockaddr = pack_sockaddr_in $port, $ip_address</td></tr>
+<tr><td class="h"><a name="165"></a>165</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="166"></a>166</td><td></td><td></td><td></td><td></td><td class="s">Takes two arguments, a port number and an opaque string (as returned by</td></tr>
+<tr><td class="h"><a name="167"></a>167</td><td></td><td></td><td></td><td></td><td class="s">inet_aton(), or a v-string). Returns the C<sockaddr_in> structure with those</td></tr>
+<tr><td class="h"><a name="168"></a>168</td><td></td><td></td><td></td><td></td><td class="s">arguments packed in and C<AF_INET> filled in. For Internet domain sockets,</td></tr>
+<tr><td class="h"><a name="169"></a>169</td><td></td><td></td><td></td><td></td><td class="s">this structure is normally what you need for the arguments in bind(),</td></tr>
+<tr><td class="h"><a name="170"></a>170</td><td></td><td></td><td></td><td></td><td class="s">connect(), and send().</td></tr>
+<tr><td class="h"><a name="171"></a>171</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="172"></a>172</td><td></td><td></td><td></td><td></td><td class="s">=head2 ($port, $ip_address) = unpack_sockaddr_in $sockaddr</td></tr>
+<tr><td class="h"><a name="173"></a>173</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="174"></a>174</td><td></td><td></td><td></td><td></td><td class="s">Takes a C<sockaddr_in> structure (as returned by pack_sockaddr_in(),</td></tr>
+<tr><td class="h"><a name="175"></a>175</td><td></td><td></td><td></td><td></td><td class="s">getpeername() or recv()). Returns a list of two elements: the port and an</td></tr>
+<tr><td class="h"><a name="176"></a>176</td><td></td><td></td><td></td><td></td><td class="s">opaque string representing the IP address (you can use inet_ntoa() to convert</td></tr>
+<tr><td class="h"><a name="177"></a>177</td><td></td><td></td><td></td><td></td><td class="s">the address to the four-dotted numeric format). Will croak if the structure</td></tr>
+<tr><td class="h"><a name="178"></a>178</td><td></td><td></td><td></td><td></td><td class="s">does not represent an C<AF_INET> address.</td></tr>
+<tr><td class="h"><a name="179"></a>179</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="180"></a>180</td><td></td><td></td><td></td><td></td><td class="s">=head2 $sockaddr = sockaddr_in $port, $ip_address</td></tr>
+<tr><td class="h"><a name="181"></a>181</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="182"></a>182</td><td></td><td></td><td></td><td></td><td class="s">=head2 ($port, $ip_address) = sockaddr_in $sockaddr</td></tr>
+<tr><td class="h"><a name="183"></a>183</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="184"></a>184</td><td></td><td></td><td></td><td></td><td class="s">A wrapper of pack_sockaddr_in() or unpack_sockaddr_in(). In list context,</td></tr>
+<tr><td class="h"><a name="185"></a>185</td><td></td><td></td><td></td><td></td><td class="s">unpacks its argument and returns a list consisting of the port and IP address.</td></tr>
+<tr><td class="h"><a name="186"></a>186</td><td></td><td></td><td></td><td></td><td class="s">In scalar context, packs its port and IP address arguments as a C<sockaddr_in></td></tr>
+<tr><td class="h"><a name="187"></a>187</td><td></td><td></td><td></td><td></td><td class="s">and returns it.</td></tr>
+<tr><td class="h"><a name="188"></a>188</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="189"></a>189</td><td></td><td></td><td></td><td></td><td class="s">Provided largely for legacy compatibility; it is better to use</td></tr>
+<tr><td class="h"><a name="190"></a>190</td><td></td><td></td><td></td><td></td><td class="s">pack_sockaddr_in() or unpack_sockaddr_in() explicitly.</td></tr>
+<tr><td class="h"><a name="191"></a>191</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="192"></a>192</td><td></td><td></td><td></td><td></td><td class="s">=head2 $sockaddr = pack_sockaddr_in6 $port, $ip6_address, [$scope_id, [$flowinfo]]</td></tr>
+<tr><td class="h"><a name="193"></a>193</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="194"></a>194</td><td></td><td></td><td></td><td></td><td class="s">Takes two to four arguments, a port number, an opaque string (as returned by</td></tr>
+<tr><td class="h"><a name="195"></a>195</td><td></td><td></td><td></td><td></td><td class="s">inet_pton()), optionally a scope ID number, and optionally a flow label</td></tr>
+<tr><td class="h"><a name="196"></a>196</td><td></td><td></td><td></td><td></td><td class="s">number. Returns the C<sockaddr_in6> structure with those arguments packed in</td></tr>
+<tr><td class="h"><a name="197"></a>197</td><td></td><td></td><td></td><td></td><td class="s">and C<AF_INET6> filled in. IPv6 equivalent of pack_sockaddr_in().</td></tr>
+<tr><td class="h"><a name="198"></a>198</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="199"></a>199</td><td></td><td></td><td></td><td></td><td class="s">=head2 ($port, $ip6_address, $scope_id, $flowinfo) = unpack_sockaddr_in6 $sockaddr</td></tr>
+<tr><td class="h"><a name="200"></a>200</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="201"></a>201</td><td></td><td></td><td></td><td></td><td class="s">Takes a C<sockaddr_in6> structure. Returns a list of four elements: the port</td></tr>
+<tr><td class="h"><a name="202"></a>202</td><td></td><td></td><td></td><td></td><td class="s">number, an opaque string representing the IPv6 address, the scope ID, and the</td></tr>
+<tr><td class="h"><a name="203"></a>203</td><td></td><td></td><td></td><td></td><td class="s">flow label. (You can use inet_ntop() to convert the address to the usual</td></tr>
+<tr><td class="h"><a name="204"></a>204</td><td></td><td></td><td></td><td></td><td class="s">string format). Will croak if the structure does not represent an C<AF_INET6></td></tr>
+<tr><td class="h"><a name="205"></a>205</td><td></td><td></td><td></td><td></td><td class="s">address.</td></tr>
+<tr><td class="h"><a name="206"></a>206</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="207"></a>207</td><td></td><td></td><td></td><td></td><td class="s">=head2 $sockaddr = sockaddr_in6 $port, $ip6_address, [$scope_id, [$flowinfo]]</td></tr>
+<tr><td class="h"><a name="208"></a>208</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="209"></a>209</td><td></td><td></td><td></td><td></td><td class="s">=head2 ($port, $ip6_address, $scope_id, $flowinfo) = sockaddr_in6 $sockaddr</td></tr>
+<tr><td class="h"><a name="210"></a>210</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="211"></a>211</td><td></td><td></td><td></td><td></td><td class="s">A wrapper of pack_sockaddr_in6() or unpack_sockaddr_in6(). In list context,</td></tr>
+<tr><td class="h"><a name="212"></a>212</td><td></td><td></td><td></td><td></td><td class="s">unpacks its argument according to unpack_sockaddr_in6(). In scalar context,</td></tr>
+<tr><td class="h"><a name="213"></a>213</td><td></td><td></td><td></td><td></td><td class="s">packs its arguments according to pack_sockaddr_in6().</td></tr>
+<tr><td class="h"><a name="214"></a>214</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="215"></a>215</td><td></td><td></td><td></td><td></td><td class="s">Provided largely for legacy compatibility; it is better to use</td></tr>
+<tr><td class="h"><a name="216"></a>216</td><td></td><td></td><td></td><td></td><td class="s">pack_sockaddr_in6() or unpack_sockaddr_in6() explicitly.</td></tr>
+<tr><td class="h"><a name="217"></a>217</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="218"></a>218</td><td></td><td></td><td></td><td></td><td class="s">=head2 $sockaddr = pack_sockaddr_un $path</td></tr>
+<tr><td class="h"><a name="219"></a>219</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="220"></a>220</td><td></td><td></td><td></td><td></td><td class="s">Takes one argument, a pathname. Returns the C<sockaddr_un> structure with that</td></tr>
+<tr><td class="h"><a name="221"></a>221</td><td></td><td></td><td></td><td></td><td class="s">path packed in with C<AF_UNIX> filled in. For C<PF_UNIX> sockets, this</td></tr>
+<tr><td class="h"><a name="222"></a>222</td><td></td><td></td><td></td><td></td><td class="s">structure is normally what you need for the arguments in bind(), connect(),</td></tr>
+<tr><td class="h"><a name="223"></a>223</td><td></td><td></td><td></td><td></td><td class="s">and send().</td></tr>
+<tr><td class="h"><a name="224"></a>224</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="225"></a>225</td><td></td><td></td><td></td><td></td><td class="s">=head2 ($path) = unpack_sockaddr_un $sockaddr</td></tr>
+<tr><td class="h"><a name="226"></a>226</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="227"></a>227</td><td></td><td></td><td></td><td></td><td class="s">Takes a C<sockaddr_un> structure (as returned by pack_sockaddr_un(),</td></tr>
+<tr><td class="h"><a name="228"></a>228</td><td></td><td></td><td></td><td></td><td class="s">getpeername() or recv()). Returns a list of one element: the pathname. Will</td></tr>
+<tr><td class="h"><a name="229"></a>229</td><td></td><td></td><td></td><td></td><td class="s">croak if the structure does not represent an C<AF_UNIX> address.</td></tr>
+<tr><td class="h"><a name="230"></a>230</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="231"></a>231</td><td></td><td></td><td></td><td></td><td class="s">=head2 $sockaddr = sockaddr_un $path</td></tr>
+<tr><td class="h"><a name="232"></a>232</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="233"></a>233</td><td></td><td></td><td></td><td></td><td class="s">=head2 ($path) = sockaddr_un $sockaddr</td></tr>
+<tr><td class="h"><a name="234"></a>234</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="235"></a>235</td><td></td><td></td><td></td><td></td><td class="s">A wrapper of pack_sockaddr_un() or unpack_sockaddr_un(). In a list context,</td></tr>
+<tr><td class="h"><a name="236"></a>236</td><td></td><td></td><td></td><td></td><td class="s">unpacks its argument and returns a list consisting of the pathname. In a</td></tr>
+<tr><td class="h"><a name="237"></a>237</td><td></td><td></td><td></td><td></td><td class="s">scalar context, packs its pathname as a C<sockaddr_un> and returns it.</td></tr>
+<tr><td class="h"><a name="238"></a>238</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="239"></a>239</td><td></td><td></td><td></td><td></td><td class="s">Provided largely for legacy compatibility; it is better to use</td></tr>
+<tr><td class="h"><a name="240"></a>240</td><td></td><td></td><td></td><td></td><td class="s">pack_sockaddr_un() or unpack_sockaddr_un() explicitly.</td></tr>
+<tr><td class="h"><a name="241"></a>241</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="242"></a>242</td><td></td><td></td><td></td><td></td><td class="s">These are only supported if your system has E<lt>F<sys/un.h>E<gt>.</td></tr>
+<tr><td class="h"><a name="243"></a>243</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="244"></a>244</td><td></td><td></td><td></td><td></td><td class="s">=head2 $ipv6_mreq = pack_ipv6_mreq $ip6_address, $ifindex</td></tr>
+<tr><td class="h"><a name="245"></a>245</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="246"></a>246</td><td></td><td></td><td></td><td></td><td class="s">Takes an IPv6 address and an interface number. Returns the C<ipv6_mreq></td></tr>
+<tr><td class="h"><a name="247"></a>247</td><td></td><td></td><td></td><td></td><td class="s">structure with those arguments packed in. Suitable for use with the</td></tr>
+<tr><td class="h"><a name="248"></a>248</td><td></td><td></td><td></td><td></td><td class="s">C<IPV6_ADD_MEMBERSHIP> and C<IPV6_DROP_MEMBERSHIP> sockopts.</td></tr>
+<tr><td class="h"><a name="249"></a>249</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="250"></a>250</td><td></td><td></td><td></td><td></td><td class="s">=head2 ($ip6_address, $ifindex) = unpack_ipv6_mreq $ipv6_mreq</td></tr>
+<tr><td class="h"><a name="251"></a>251</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="252"></a>252</td><td></td><td></td><td></td><td></td><td class="s">Takes an C<ipv6_mreq> structure. Returns a list of two elements; the IPv6</td></tr>
+<tr><td class="h"><a name="253"></a>253</td><td></td><td></td><td></td><td></td><td class="s">address and an interface number.</td></tr>
+<tr><td class="h"><a name="254"></a>254</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="255"></a>255</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="256"></a>256</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="257"></a>257</td><td></td><td></td><td></td><td></td><td class="s">=head1 FUNCTIONS</td></tr>
+<tr><td class="h"><a name="258"></a>258</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="259"></a>259</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="260"></a>260</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="261"></a>261</td><td></td><td></td><td></td><td></td><td class="s">=head2 $ip_address = inet_aton $string</td></tr>
+<tr><td class="h"><a name="262"></a>262</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="263"></a>263</td><td></td><td></td><td></td><td></td><td class="s">Takes a string giving the name of a host, or a textual representation of an IP</td></tr>
+<tr><td class="h"><a name="264"></a>264</td><td></td><td></td><td></td><td></td><td class="s">address and translates that to an packed binary address structure suitable to</td></tr>
+<tr><td class="h"><a name="265"></a>265</td><td></td><td></td><td></td><td></td><td class="s">pass to pack_sockaddr_in(). If passed a hostname that cannot be resolved,</td></tr>
+<tr><td class="h"><a name="266"></a>266</td><td></td><td></td><td></td><td></td><td class="s">returns C<undef>. For multi-homed hosts (hosts with more than one address),</td></tr>
+<tr><td class="h"><a name="267"></a>267</td><td></td><td></td><td></td><td></td><td class="s">the first address found is returned.</td></tr>
+<tr><td class="h"><a name="268"></a>268</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="269"></a>269</td><td></td><td></td><td></td><td></td><td class="s">For portability do not assume that the result of inet_aton() is 32 bits wide,</td></tr>
+<tr><td class="h"><a name="270"></a>270</td><td></td><td></td><td></td><td></td><td class="s">in other words, that it would contain only the IPv4 address in network order.</td></tr>
+<tr><td class="h"><a name="271"></a>271</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="272"></a>272</td><td></td><td></td><td></td><td></td><td class="s">This IPv4-only function is provided largely for legacy reasons. Newly-written</td></tr>
+<tr><td class="h"><a name="273"></a>273</td><td></td><td></td><td></td><td></td><td class="s">code should use getaddrinfo() or inet_pton() instead for IPv6 support.</td></tr>
+<tr><td class="h"><a name="274"></a>274</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="275"></a>275</td><td></td><td></td><td></td><td></td><td class="s">=head2 $string = inet_ntoa $ip_address</td></tr>
+<tr><td class="h"><a name="276"></a>276</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="277"></a>277</td><td></td><td></td><td></td><td></td><td class="s">Takes a packed binary address structure such as returned by</td></tr>
+<tr><td class="h"><a name="278"></a>278</td><td></td><td></td><td></td><td></td><td class="s">unpack_sockaddr_in() (or a v-string representing the four octets of the IPv4</td></tr>
+<tr><td class="h"><a name="279"></a>279</td><td></td><td></td><td></td><td></td><td class="s">address in network order) and translates it into a string of the form</td></tr>
+<tr><td class="h"><a name="280"></a>280</td><td></td><td></td><td></td><td></td><td class="s">C<d.d.d.d> where the C<d>s are numbers less than 256 (the normal</td></tr>
+<tr><td class="h"><a name="281"></a>281</td><td></td><td></td><td></td><td></td><td class="s">human-readable four dotted number notation for Internet addresses).</td></tr>
+<tr><td class="h"><a name="282"></a>282</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="283"></a>283</td><td></td><td></td><td></td><td></td><td class="s">This IPv4-only function is provided largely for legacy reasons. Newly-written</td></tr>
+<tr><td class="h"><a name="284"></a>284</td><td></td><td></td><td></td><td></td><td class="s">code should use getnameinfo() or inet_ntop() instead for IPv6 support.</td></tr>
+<tr><td class="h"><a name="285"></a>285</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="286"></a>286</td><td></td><td></td><td></td><td></td><td class="s">=head2 $address = inet_pton $family, $string</td></tr>
+<tr><td class="h"><a name="287"></a>287</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="288"></a>288</td><td></td><td></td><td></td><td></td><td class="s">Takes an address family (such as C<AF_INET> or C<AF_INET6>) and a string</td></tr>
+<tr><td class="h"><a name="289"></a>289</td><td></td><td></td><td></td><td></td><td class="s">containing a textual representation of an address in that family and</td></tr>
+<tr><td class="h"><a name="290"></a>290</td><td></td><td></td><td></td><td></td><td class="s">translates that to an packed binary address structure.</td></tr>
+<tr><td class="h"><a name="291"></a>291</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="292"></a>292</td><td></td><td></td><td></td><td></td><td class="s">See also getaddrinfo() for a more powerful and flexible function to look up</td></tr>
+<tr><td class="h"><a name="293"></a>293</td><td></td><td></td><td></td><td></td><td class="s">socket addresses given hostnames or textual addresses.</td></tr>
+<tr><td class="h"><a name="294"></a>294</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="295"></a>295</td><td></td><td></td><td></td><td></td><td class="s">=head2 $string = inet_ntop $family, $address</td></tr>
+<tr><td class="h"><a name="296"></a>296</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="297"></a>297</td><td></td><td></td><td></td><td></td><td class="s">Takes an address family and a packed binary address structure and translates</td></tr>
+<tr><td class="h"><a name="298"></a>298</td><td></td><td></td><td></td><td></td><td class="s">it into a human-readable textual representation of the address; typically in</td></tr>
+<tr><td class="h"><a name="299"></a>299</td><td></td><td></td><td></td><td></td><td class="s">C<d.d.d.d> form for C<AF_INET> or C<hhhh:hhhh::hhhh> form for C<AF_INET6>.</td></tr>
+<tr><td class="h"><a name="300"></a>300</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="301"></a>301</td><td></td><td></td><td></td><td></td><td class="s">See also getnameinfo() for a more powerful and flexible function to turn</td></tr>
+<tr><td class="h"><a name="302"></a>302</td><td></td><td></td><td></td><td></td><td class="s">socket addresses into human-readable textual representations.</td></tr>
+<tr><td class="h"><a name="303"></a>303</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="304"></a>304</td><td></td><td></td><td></td><td></td><td class="s">=head2 ($err, @result) = getaddrinfo $host, $service, [$hints]</td></tr>
+<tr><td class="h"><a name="305"></a>305</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="306"></a>306</td><td></td><td></td><td></td><td></td><td class="s">Given both a hostname and service name, this function attempts to resolve the</td></tr>
+<tr><td class="h"><a name="307"></a>307</td><td></td><td></td><td></td><td></td><td class="s">host name into a list of network addresses, and the service name into a</td></tr>
+<tr><td class="h"><a name="308"></a>308</td><td></td><td></td><td></td><td></td><td class="s">protocol and port number, and then returns a list of address structures</td></tr>
+<tr><td class="h"><a name="309"></a>309</td><td></td><td></td><td></td><td></td><td class="s">suitable to connect() to it.</td></tr>
+<tr><td class="h"><a name="310"></a>310</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="311"></a>311</td><td></td><td></td><td></td><td></td><td class="s">Given just a host name, this function attempts to resolve it to a list of</td></tr>
+<tr><td class="h"><a name="312"></a>312</td><td></td><td></td><td></td><td></td><td class="s">network addresses, and then returns a list of address structures giving these</td></tr>
+<tr><td class="h"><a name="313"></a>313</td><td></td><td></td><td></td><td></td><td class="s">addresses.</td></tr>
+<tr><td class="h"><a name="314"></a>314</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="315"></a>315</td><td></td><td></td><td></td><td></td><td class="s">Given just a service name, this function attempts to resolve it to a protocol</td></tr>
+<tr><td class="h"><a name="316"></a>316</td><td></td><td></td><td></td><td></td><td class="s">and port number, and then returns a list of address structures that represent</td></tr>
+<tr><td class="h"><a name="317"></a>317</td><td></td><td></td><td></td><td></td><td class="s">it suitable to bind() to. This use should be combined with the C<AI_PASSIVE></td></tr>
+<tr><td class="h"><a name="318"></a>318</td><td></td><td></td><td></td><td></td><td class="s">flag; see below.</td></tr>
+<tr><td class="h"><a name="319"></a>319</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="320"></a>320</td><td></td><td></td><td></td><td></td><td class="s">Given neither name, it generates an error.</td></tr>
+<tr><td class="h"><a name="321"></a>321</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="322"></a>322</td><td></td><td></td><td></td><td></td><td class="s">If present, $hints should be a reference to a hash, where the following keys</td></tr>
+<tr><td class="h"><a name="323"></a>323</td><td></td><td></td><td></td><td></td><td class="s">are recognised:</td></tr>
+<tr><td class="h"><a name="324"></a>324</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="325"></a>325</td><td></td><td></td><td></td><td></td><td class="s">=over 4</td></tr>
+<tr><td class="h"><a name="326"></a>326</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="327"></a>327</td><td></td><td></td><td></td><td></td><td class="s">=item flags => INT</td></tr>
+<tr><td class="h"><a name="328"></a>328</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="329"></a>329</td><td></td><td></td><td></td><td></td><td class="s">A bitfield containing C<AI_*> constants; see below.</td></tr>
+<tr><td class="h"><a name="330"></a>330</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="331"></a>331</td><td></td><td></td><td></td><td></td><td class="s">=item family => INT</td></tr>
+<tr><td class="h"><a name="332"></a>332</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="333"></a>333</td><td></td><td></td><td></td><td></td><td class="s">Restrict to only generating addresses in this address family</td></tr>
+<tr><td class="h"><a name="334"></a>334</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="335"></a>335</td><td></td><td></td><td></td><td></td><td class="s">=item socktype => INT</td></tr>
+<tr><td class="h"><a name="336"></a>336</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="337"></a>337</td><td></td><td></td><td></td><td></td><td class="s">Restrict to only generating addresses of this socket type</td></tr>
+<tr><td class="h"><a name="338"></a>338</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="339"></a>339</td><td></td><td></td><td></td><td></td><td class="s">=item protocol => INT</td></tr>
+<tr><td class="h"><a name="340"></a>340</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="341"></a>341</td><td></td><td></td><td></td><td></td><td class="s">Restrict to only generating addresses for this protocol</td></tr>
+<tr><td class="h"><a name="342"></a>342</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="343"></a>343</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
+<tr><td class="h"><a name="344"></a>344</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="345"></a>345</td><td></td><td></td><td></td><td></td><td class="s">The return value will be a list; the first value being an error indication,</td></tr>
+<tr><td class="h"><a name="346"></a>346</td><td></td><td></td><td></td><td></td><td class="s">followed by a list of address structures (if no error occurred).</td></tr>
+<tr><td class="h"><a name="347"></a>347</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="348"></a>348</td><td></td><td></td><td></td><td></td><td class="s">The error value will be a dualvar; comparable to the C<EI_*> error constants,</td></tr>
+<tr><td class="h"><a name="349"></a>349</td><td></td><td></td><td></td><td></td><td class="s">or printable as a human-readable error message string. If no error occurred it</td></tr>
+<tr><td class="h"><a name="350"></a>350</td><td></td><td></td><td></td><td></td><td class="s">will be zero numerically and an empty string.</td></tr>
+<tr><td class="h"><a name="351"></a>351</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="352"></a>352</td><td></td><td></td><td></td><td></td><td class="s">Each value in the results list will be a hash reference containing the following</td></tr>
+<tr><td class="h"><a name="353"></a>353</td><td></td><td></td><td></td><td></td><td class="s">fields:</td></tr>
+<tr><td class="h"><a name="354"></a>354</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="355"></a>355</td><td></td><td></td><td></td><td></td><td class="s">=over 4</td></tr>
+<tr><td class="h"><a name="356"></a>356</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="357"></a>357</td><td></td><td></td><td></td><td></td><td class="s">=item family => INT</td></tr>
+<tr><td class="h"><a name="358"></a>358</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="359"></a>359</td><td></td><td></td><td></td><td></td><td class="s">The address family (e.g. C<AF_INET>)</td></tr>
+<tr><td class="h"><a name="360"></a>360</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="361"></a>361</td><td></td><td></td><td></td><td></td><td class="s">=item socktype => INT</td></tr>
+<tr><td class="h"><a name="362"></a>362</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="363"></a>363</td><td></td><td></td><td></td><td></td><td class="s">The socket type (e.g. C<SOCK_STREAM>)</td></tr>
+<tr><td class="h"><a name="364"></a>364</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="365"></a>365</td><td></td><td></td><td></td><td></td><td class="s">=item protocol => INT</td></tr>
+<tr><td class="h"><a name="366"></a>366</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="367"></a>367</td><td></td><td></td><td></td><td></td><td class="s">The protocol (e.g. C<IPPROTO_TCP>)</td></tr>
+<tr><td class="h"><a name="368"></a>368</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="369"></a>369</td><td></td><td></td><td></td><td></td><td class="s">=item addr => STRING</td></tr>
+<tr><td class="h"><a name="370"></a>370</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="371"></a>371</td><td></td><td></td><td></td><td></td><td class="s">The address in a packed string (such as would be returned by</td></tr>
+<tr><td class="h"><a name="372"></a>372</td><td></td><td></td><td></td><td></td><td class="s">pack_sockaddr_in())</td></tr>
+<tr><td class="h"><a name="373"></a>373</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="374"></a>374</td><td></td><td></td><td></td><td></td><td class="s">=item canonname => STRING</td></tr>
+<tr><td class="h"><a name="375"></a>375</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="376"></a>376</td><td></td><td></td><td></td><td></td><td class="s">The canonical name for the host if the C<AI_CANONNAME> flag was provided, or</td></tr>
+<tr><td class="h"><a name="377"></a>377</td><td></td><td></td><td></td><td></td><td class="s">C<undef> otherwise. This field will only be present on the first returned</td></tr>
+<tr><td class="h"><a name="378"></a>378</td><td></td><td></td><td></td><td></td><td class="s">address.</td></tr>
+<tr><td class="h"><a name="379"></a>379</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="380"></a>380</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
+<tr><td class="h"><a name="381"></a>381</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="382"></a>382</td><td></td><td></td><td></td><td></td><td class="s">The following flag constants are recognised in the $hints hash. Other flag</td></tr>
+<tr><td class="h"><a name="383"></a>383</td><td></td><td></td><td></td><td></td><td class="s">constants may exist as provided by the OS.</td></tr>
+<tr><td class="h"><a name="384"></a>384</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="385"></a>385</td><td></td><td></td><td></td><td></td><td class="s">=over 4</td></tr>
+<tr><td class="h"><a name="386"></a>386</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="387"></a>387</td><td></td><td></td><td></td><td></td><td class="s">=item AI_PASSIVE</td></tr>
+<tr><td class="h"><a name="388"></a>388</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="389"></a>389</td><td></td><td></td><td></td><td></td><td class="s">Indicates that this resolution is for a local bind() for a passive (i.e.</td></tr>
+<tr><td class="h"><a name="390"></a>390</td><td></td><td></td><td></td><td></td><td class="s">listening) socket, rather than an active (i.e. connecting) socket.</td></tr>
+<tr><td class="h"><a name="391"></a>391</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="392"></a>392</td><td></td><td></td><td></td><td></td><td class="s">=item AI_CANONNAME</td></tr>
+<tr><td class="h"><a name="393"></a>393</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="394"></a>394</td><td></td><td></td><td></td><td></td><td class="s">Indicates that the caller wishes the canonical hostname (C<canonname>) field</td></tr>
+<tr><td class="h"><a name="395"></a>395</td><td></td><td></td><td></td><td></td><td class="s">of the result to be filled in.</td></tr>
+<tr><td class="h"><a name="396"></a>396</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="397"></a>397</td><td></td><td></td><td></td><td></td><td class="s">=item AI_NUMERICHOST</td></tr>
+<tr><td class="h"><a name="398"></a>398</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="399"></a>399</td><td></td><td></td><td></td><td></td><td class="s">Indicates that the caller will pass a numeric address, rather than a hostname,</td></tr>
+<tr><td class="h"><a name="400"></a>400</td><td></td><td></td><td></td><td></td><td class="s">and that getaddrinfo() must not perform a resolve operation on this name. This</td></tr>
+<tr><td class="h"><a name="401"></a>401</td><td></td><td></td><td></td><td></td><td class="s">flag will prevent a possibly-slow network lookup operation, and instead return</td></tr>
+<tr><td class="h"><a name="402"></a>402</td><td></td><td></td><td></td><td></td><td class="s">an error if a hostname is passed.</td></tr>
+<tr><td class="h"><a name="403"></a>403</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="404"></a>404</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
+<tr><td class="h"><a name="405"></a>405</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="406"></a>406</td><td></td><td></td><td></td><td></td><td class="s">=head2 ($err, $hostname, $servicename) = getnameinfo $sockaddr, [$flags, [$xflags]]</td></tr>
+<tr><td class="h"><a name="407"></a>407</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="408"></a>408</td><td></td><td></td><td></td><td></td><td class="s">Given a packed socket address (such as from getsockname(), getpeername(), or</td></tr>
+<tr><td class="h"><a name="409"></a>409</td><td></td><td></td><td></td><td></td><td class="s">returned by getaddrinfo() in a C<addr> field), returns the hostname and</td></tr>
+<tr><td class="h"><a name="410"></a>410</td><td></td><td></td><td></td><td></td><td class="s">symbolic service name it represents. $flags may be a bitmask of C<NI_*></td></tr>
+<tr><td class="h"><a name="411"></a>411</td><td></td><td></td><td></td><td></td><td class="s">constants, or defaults to 0 if unspecified.</td></tr>
+<tr><td class="h"><a name="412"></a>412</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="413"></a>413</td><td></td><td></td><td></td><td></td><td class="s">The return value will be a list; the first value being an error condition,</td></tr>
+<tr><td class="h"><a name="414"></a>414</td><td></td><td></td><td></td><td></td><td class="s">followed by the hostname and service name.</td></tr>
+<tr><td class="h"><a name="415"></a>415</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="416"></a>416</td><td></td><td></td><td></td><td></td><td class="s">The error value will be a dualvar; comparable to the C<EI_*> error constants,</td></tr>
+<tr><td class="h"><a name="417"></a>417</td><td></td><td></td><td></td><td></td><td class="s">or printable as a human-readable error message string. The host and service</td></tr>
+<tr><td class="h"><a name="418"></a>418</td><td></td><td></td><td></td><td></td><td class="s">names will be plain strings.</td></tr>
+<tr><td class="h"><a name="419"></a>419</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="420"></a>420</td><td></td><td></td><td></td><td></td><td class="s">The following flag constants are recognised as $flags. Other flag constants may</td></tr>
+<tr><td class="h"><a name="421"></a>421</td><td></td><td></td><td></td><td></td><td class="s">exist as provided by the OS.</td></tr>
+<tr><td class="h"><a name="422"></a>422</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="423"></a>423</td><td></td><td></td><td></td><td></td><td class="s">=over 4</td></tr>
+<tr><td class="h"><a name="424"></a>424</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="425"></a>425</td><td></td><td></td><td></td><td></td><td class="s">=item NI_NUMERICHOST</td></tr>
+<tr><td class="h"><a name="426"></a>426</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="427"></a>427</td><td></td><td></td><td></td><td></td><td class="s">Requests that a human-readable string representation of the numeric address be</td></tr>
+<tr><td class="h"><a name="428"></a>428</td><td></td><td></td><td></td><td></td><td class="s">returned directly, rather than performing a name resolve operation that may</td></tr>
+<tr><td class="h"><a name="429"></a>429</td><td></td><td></td><td></td><td></td><td class="s">convert it into a hostname. This will also avoid potentially-blocking network</td></tr>
+<tr><td class="h"><a name="430"></a>430</td><td></td><td></td><td></td><td></td><td class="s">IO.</td></tr>
+<tr><td class="h"><a name="431"></a>431</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="432"></a>432</td><td></td><td></td><td></td><td></td><td class="s">=item NI_NUMERICSERV</td></tr>
+<tr><td class="h"><a name="433"></a>433</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="434"></a>434</td><td></td><td></td><td></td><td></td><td class="s">Requests that the port number be returned directly as a number representation</td></tr>
+<tr><td class="h"><a name="435"></a>435</td><td></td><td></td><td></td><td></td><td class="s">rather than performing a name resolve operation that may convert it into a</td></tr>
+<tr><td class="h"><a name="436"></a>436</td><td></td><td></td><td></td><td></td><td class="s">service name.</td></tr>
+<tr><td class="h"><a name="437"></a>437</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="438"></a>438</td><td></td><td></td><td></td><td></td><td class="s">=item NI_NAMEREQD</td></tr>
+<tr><td class="h"><a name="439"></a>439</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="440"></a>440</td><td></td><td></td><td></td><td></td><td class="s">If a name resolve operation fails to provide a name, then this flag will cause</td></tr>
+<tr><td class="h"><a name="441"></a>441</td><td></td><td></td><td></td><td></td><td class="s">getnameinfo() to indicate an error, rather than returning the numeric</td></tr>
+<tr><td class="h"><a name="442"></a>442</td><td></td><td></td><td></td><td></td><td class="s">representation as a human-readable string.</td></tr>
+<tr><td class="h"><a name="443"></a>443</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="444"></a>444</td><td></td><td></td><td></td><td></td><td class="s">=item NI_DGRAM</td></tr>
+<tr><td class="h"><a name="445"></a>445</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="446"></a>446</td><td></td><td></td><td></td><td></td><td class="s">Indicates that the socket address relates to a C<SOCK_DGRAM> socket, for the</td></tr>
+<tr><td class="h"><a name="447"></a>447</td><td></td><td></td><td></td><td></td><td class="s">services whose name differs between TCP and UDP protocols.</td></tr>
+<tr><td class="h"><a name="448"></a>448</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="449"></a>449</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
+<tr><td class="h"><a name="450"></a>450</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="451"></a>451</td><td></td><td></td><td></td><td></td><td class="s">The following constants may be supplied as $xflags.</td></tr>
+<tr><td class="h"><a name="452"></a>452</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="453"></a>453</td><td></td><td></td><td></td><td></td><td class="s">=over 4</td></tr>
+<tr><td class="h"><a name="454"></a>454</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="455"></a>455</td><td></td><td></td><td></td><td></td><td class="s">=item NIx_NOHOST</td></tr>
+<tr><td class="h"><a name="456"></a>456</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="457"></a>457</td><td></td><td></td><td></td><td></td><td class="s">Indicates that the caller is not interested in the hostname of the result, so</td></tr>
+<tr><td class="h"><a name="458"></a>458</td><td></td><td></td><td></td><td></td><td class="s">it does not have to be converted. C<undef> will be returned as the hostname.</td></tr>
+<tr><td class="h"><a name="459"></a>459</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="460"></a>460</td><td></td><td></td><td></td><td></td><td class="s">=item NIx_NOSERV</td></tr>
+<tr><td class="h"><a name="461"></a>461</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="462"></a>462</td><td></td><td></td><td></td><td></td><td class="s">Indicates that the caller is not interested in the service name of the result,</td></tr>
+<tr><td class="h"><a name="463"></a>463</td><td></td><td></td><td></td><td></td><td class="s">so it does not have to be converted. C<undef> will be returned as the service</td></tr>
+<tr><td class="h"><a name="464"></a>464</td><td></td><td></td><td></td><td></td><td class="s">name.</td></tr>
+<tr><td class="h"><a name="465"></a>465</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="466"></a>466</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
+<tr><td class="h"><a name="467"></a>467</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="468"></a>468</td><td></td><td></td><td></td><td></td><td class="s">=head1 getaddrinfo() / getnameinfo() ERROR CONSTANTS</td></tr>
+<tr><td class="h"><a name="469"></a>469</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="470"></a>470</td><td></td><td></td><td></td><td></td><td class="s">The following constants may be returned by getaddrinfo() or getnameinfo().</td></tr>
+<tr><td class="h"><a name="471"></a>471</td><td></td><td></td><td></td><td></td><td class="s">Others may be provided by the OS.</td></tr>
+<tr><td class="h"><a name="472"></a>472</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="473"></a>473</td><td></td><td></td><td></td><td></td><td class="s">=over 4</td></tr>
+<tr><td class="h"><a name="474"></a>474</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="475"></a>475</td><td></td><td></td><td></td><td></td><td class="s">=item EAI_AGAIN</td></tr>
+<tr><td class="h"><a name="476"></a>476</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="477"></a>477</td><td></td><td></td><td></td><td></td><td class="s">A temporary failure occurred during name resolution. The operation may be</td></tr>
+<tr><td class="h"><a name="478"></a>478</td><td></td><td></td><td></td><td></td><td class="s">successful if it is retried later.</td></tr>
+<tr><td class="h"><a name="479"></a>479</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="480"></a>480</td><td></td><td></td><td></td><td></td><td class="s">=item EAI_BADFLAGS</td></tr>
+<tr><td class="h"><a name="481"></a>481</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="482"></a>482</td><td></td><td></td><td></td><td></td><td class="s">The value of the C<flags> hint to getaddrinfo(), or the $flags parameter to</td></tr>
+<tr><td class="h"><a name="483"></a>483</td><td></td><td></td><td></td><td></td><td class="s">getnameinfo() contains unrecognised flags.</td></tr>
+<tr><td class="h"><a name="484"></a>484</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="485"></a>485</td><td></td><td></td><td></td><td></td><td class="s">=item EAI_FAMILY</td></tr>
+<tr><td class="h"><a name="486"></a>486</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="487"></a>487</td><td></td><td></td><td></td><td></td><td class="s">The C<family> hint to getaddrinfo(), or the family of the socket address</td></tr>
+<tr><td class="h"><a name="488"></a>488</td><td></td><td></td><td></td><td></td><td class="s">passed to getnameinfo() is not supported.</td></tr>
+<tr><td class="h"><a name="489"></a>489</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="490"></a>490</td><td></td><td></td><td></td><td></td><td class="s">=item EAI_NODATA</td></tr>
+<tr><td class="h"><a name="491"></a>491</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="492"></a>492</td><td></td><td></td><td></td><td></td><td class="s">The host name supplied to getaddrinfo() did not provide any usable address</td></tr>
+<tr><td class="h"><a name="493"></a>493</td><td></td><td></td><td></td><td></td><td class="s">data.</td></tr>
+<tr><td class="h"><a name="494"></a>494</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="495"></a>495</td><td></td><td></td><td></td><td></td><td class="s">=item EAI_NONAME</td></tr>
+<tr><td class="h"><a name="496"></a>496</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="497"></a>497</td><td></td><td></td><td></td><td></td><td class="s">The host name supplied to getaddrinfo() does not exist, or the address</td></tr>
+<tr><td class="h"><a name="498"></a>498</td><td></td><td></td><td></td><td></td><td class="s">supplied to getnameinfo() is not associated with a host name and the</td></tr>
+<tr><td class="h"><a name="499"></a>499</td><td></td><td></td><td></td><td></td><td class="s">C<NI_NAMEREQD> flag was supplied.</td></tr>
+<tr><td class="h"><a name="500"></a>500</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="501"></a>501</td><td></td><td></td><td></td><td></td><td class="s">=item EAI_SERVICE</td></tr>
+<tr><td class="h"><a name="502"></a>502</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="503"></a>503</td><td></td><td></td><td></td><td></td><td class="s">The service name supplied to getaddrinfo() is not available for the socket</td></tr>
+<tr><td class="h"><a name="504"></a>504</td><td></td><td></td><td></td><td></td><td class="s">type given in the $hints.</td></tr>
+<tr><td class="h"><a name="505"></a>505</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="506"></a>506</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
+<tr><td class="h"><a name="507"></a>507</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="508"></a>508</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="509"></a>509</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="510"></a>510</td><td></td><td></td><td></td><td></td><td class="s">=head1 EXAMPLES</td></tr>
+<tr><td class="h"><a name="511"></a>511</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="512"></a>512</td><td></td><td></td><td></td><td></td><td class="s">=head2 Lookup for connect()</td></tr>
+<tr><td class="h"><a name="513"></a>513</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="514"></a>514</td><td></td><td></td><td></td><td></td><td class="s">The getaddrinfo() function converts a hostname and a service name into a list</td></tr>
+<tr><td class="h"><a name="515"></a>515</td><td></td><td></td><td></td><td></td><td class="s">of structures, each containing a potential way to connect() to the named</td></tr>
+<tr><td class="h"><a name="516"></a>516</td><td></td><td></td><td></td><td></td><td class="s">service on the named host.</td></tr>
+<tr><td class="h"><a name="517"></a>517</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="518"></a>518</td><td></td><td></td><td></td><td></td><td class="s"> use IO::Socket;</td></tr>
+<tr><td class="h"><a name="519"></a>519</td><td></td><td></td><td></td><td></td><td class="s"> use Socket qw(SOCK_STREAM getaddrinfo);</td></tr>
+<tr><td class="h"><a name="520"></a>520</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="521"></a>521</td><td></td><td></td><td></td><td></td><td class="s"> my %hints = (socktype => SOCK_STREAM);</td></tr>
+<tr><td class="h"><a name="522"></a>522</td><td></td><td></td><td></td><td></td><td class="s"> my ($err, @res) = getaddrinfo("localhost", "echo", \%hints);</td></tr>
+<tr><td class="h"><a name="523"></a>523</td><td></td><td></td><td></td><td></td><td class="s"> die "Cannot getaddrinfo - $err" if $err;</td></tr>
+<tr><td class="h"><a name="524"></a>524</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="525"></a>525</td><td></td><td></td><td></td><td></td><td class="s"> my $sock;</td></tr>
+<tr><td class="h"><a name="526"></a>526</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="527"></a>527</td><td></td><td></td><td></td><td></td><td class="s"> foreach my $ai (@res) {</td></tr>
+<tr><td class="h"><a name="528"></a>528</td><td></td><td></td><td></td><td></td><td class="s"> my $candidate = IO::Socket->new();</td></tr>
+<tr><td class="h"><a name="529"></a>529</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="530"></a>530</td><td></td><td></td><td></td><td></td><td class="s"> $candidate->socket($ai->{family}, $ai->{socktype}, $ai->{protocol})</td></tr>
+<tr><td class="h"><a name="531"></a>531</td><td></td><td></td><td></td><td></td><td class="s"> or next;</td></tr>
+<tr><td class="h"><a name="532"></a>532</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="533"></a>533</td><td></td><td></td><td></td><td></td><td class="s"> $candidate->connect($ai->{addr})</td></tr>
+<tr><td class="h"><a name="534"></a>534</td><td></td><td></td><td></td><td></td><td class="s"> or next;</td></tr>
+<tr><td class="h"><a name="535"></a>535</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="536"></a>536</td><td></td><td></td><td></td><td></td><td class="s"> $sock = $candidate;</td></tr>
+<tr><td class="h"><a name="537"></a>537</td><td></td><td></td><td></td><td></td><td class="s"> last;</td></tr>
+<tr><td class="h"><a name="538"></a>538</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="539"></a>539</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="540"></a>540</td><td></td><td></td><td></td><td></td><td class="s"> die "Cannot connect to localhost:echo" unless $sock;</td></tr>
+<tr><td class="h"><a name="541"></a>541</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="542"></a>542</td><td></td><td></td><td></td><td></td><td class="s"> $sock->print("Hello, world!\n");</td></tr>
+<tr><td class="h"><a name="543"></a>543</td><td></td><td></td><td></td><td></td><td class="s"> print <$sock>;</td></tr>
+<tr><td class="h"><a name="544"></a>544</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="545"></a>545</td><td></td><td></td><td></td><td></td><td class="s">Because a list of potential candidates is returned, the C<while> loop tries</td></tr>
+<tr><td class="h"><a name="546"></a>546</td><td></td><td></td><td></td><td></td><td class="s">each in turn until it it finds one that succeeds both the socket() and</td></tr>
+<tr><td class="h"><a name="547"></a>547</td><td></td><td></td><td></td><td></td><td class="s">connect() calls.</td></tr>
+<tr><td class="h"><a name="548"></a>548</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="549"></a>549</td><td></td><td></td><td></td><td></td><td class="s">This function performs the work of the legacy functions gethostbyname(),</td></tr>
+<tr><td class="h"><a name="550"></a>550</td><td></td><td></td><td></td><td></td><td class="s">getservbyname(), inet_aton() and pack_sockaddr_in().</td></tr>
+<tr><td class="h"><a name="551"></a>551</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="552"></a>552</td><td></td><td></td><td></td><td></td><td class="s">In practice this logic is better performed by L<IO::Socket::IP>.</td></tr>
+<tr><td class="h"><a name="553"></a>553</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="554"></a>554</td><td></td><td></td><td></td><td></td><td class="s">=head2 Making a human-readable string out of an address</td></tr>
+<tr><td class="h"><a name="555"></a>555</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="556"></a>556</td><td></td><td></td><td></td><td></td><td class="s">The getnameinfo() function converts a socket address, such as returned by</td></tr>
+<tr><td class="h"><a name="557"></a>557</td><td></td><td></td><td></td><td></td><td class="s">getsockname() or getpeername(), into a pair of human-readable strings</td></tr>
+<tr><td class="h"><a name="558"></a>558</td><td></td><td></td><td></td><td></td><td class="s">representing the address and service name.</td></tr>
+<tr><td class="h"><a name="559"></a>559</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="560"></a>560</td><td></td><td></td><td></td><td></td><td class="s"> use IO::Socket::IP;</td></tr>
+<tr><td class="h"><a name="561"></a>561</td><td></td><td></td><td></td><td></td><td class="s"> use Socket qw(getnameinfo);</td></tr>
+<tr><td class="h"><a name="562"></a>562</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="563"></a>563</td><td></td><td></td><td></td><td></td><td class="s"> my $server = IO::Socket::IP->new(LocalPort => 12345, Listen => 1) or</td></tr>
+<tr><td class="h"><a name="564"></a>564</td><td></td><td></td><td></td><td></td><td class="s"> die "Cannot listen - $@";</td></tr>
+<tr><td class="h"><a name="565"></a>565</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="566"></a>566</td><td></td><td></td><td></td><td></td><td class="s"> my $socket = $server->accept or die "accept: $!";</td></tr>
+<tr><td class="h"><a name="567"></a>567</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="568"></a>568</td><td></td><td></td><td></td><td></td><td class="s"> my ($err, $hostname, $servicename) = getnameinfo($socket->peername);</td></tr>
+<tr><td class="h"><a name="569"></a>569</td><td></td><td></td><td></td><td></td><td class="s"> die "Cannot getnameinfo - $err" if $err;</td></tr>
+<tr><td class="h"><a name="570"></a>570</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="571"></a>571</td><td></td><td></td><td></td><td></td><td class="s"> print "The peer is connected from $hostname\n";</td></tr>
+<tr><td class="h"><a name="572"></a>572</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="573"></a>573</td><td></td><td></td><td></td><td></td><td class="s">Since in this example only the hostname was used, the redundant conversion of</td></tr>
+<tr><td class="h"><a name="574"></a>574</td><td></td><td></td><td></td><td></td><td class="s">the port number into a service name may be omitted by passing the</td></tr>
+<tr><td class="h"><a name="575"></a>575</td><td></td><td></td><td></td><td></td><td class="s">C<NIx_NOSERV> flag.</td></tr>
+<tr><td class="h"><a name="576"></a>576</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="577"></a>577</td><td></td><td></td><td></td><td></td><td class="s"> use Socket qw(getnameinfo NIx_NOSERV);</td></tr>
+<tr><td class="h"><a name="578"></a>578</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="579"></a>579</td><td></td><td></td><td></td><td></td><td class="s"> my ($err, $hostname) = getnameinfo($socket->peername, 0, NIx_NOSERV);</td></tr>
+<tr><td class="h"><a name="580"></a>580</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="581"></a>581</td><td></td><td></td><td></td><td></td><td class="s">This function performs the work of the legacy functions unpack_sockaddr_in(),</td></tr>
+<tr><td class="h"><a name="582"></a>582</td><td></td><td></td><td></td><td></td><td class="s">inet_ntoa(), gethostbyaddr() and getservbyport().</td></tr>
+<tr><td class="h"><a name="583"></a>583</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="584"></a>584</td><td></td><td></td><td></td><td></td><td class="s">In practice this logic is better performed by L<IO::Socket::IP>.</td></tr>
+<tr><td class="h"><a name="585"></a>585</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="586"></a>586</td><td></td><td></td><td></td><td></td><td class="s">=head2 Resolving hostnames into IP addresses</td></tr>
+<tr><td class="h"><a name="587"></a>587</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="588"></a>588</td><td></td><td></td><td></td><td></td><td class="s">To turn a hostname into a human-readable plain IP address use getaddrinfo()</td></tr>
+<tr><td class="h"><a name="589"></a>589</td><td></td><td></td><td></td><td></td><td class="s">to turn the hostname into a list of socket structures, then getnameinfo() on</td></tr>
+<tr><td class="h"><a name="590"></a>590</td><td></td><td></td><td></td><td></td><td class="s">each one to make it a readable IP address again.</td></tr>
+<tr><td class="h"><a name="591"></a>591</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="592"></a>592</td><td></td><td></td><td></td><td></td><td class="s"> use Socket qw(:addrinfo SOCK_RAW);</td></tr>
+<tr><td class="h"><a name="593"></a>593</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="594"></a>594</td><td></td><td></td><td></td><td></td><td class="s"> my ($err, @res) = getaddrinfo($hostname, "", {socktype => SOCK_RAW});</td></tr>
+<tr><td class="h"><a name="595"></a>595</td><td></td><td></td><td></td><td></td><td class="s"> die "Cannot getaddrinfo - $err" if $err;</td></tr>
+<tr><td class="h"><a name="596"></a>596</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="597"></a>597</td><td></td><td></td><td></td><td></td><td class="s"> while( my $ai = shift @res ) {</td></tr>
+<tr><td class="h"><a name="598"></a>598</td><td></td><td></td><td></td><td></td><td class="s"> my ($err, $ipaddr) = getnameinfo($ai->{addr}, NI_NUMERICHOST, NIx_NOSERV);</td></tr>
+<tr><td class="h"><a name="599"></a>599</td><td></td><td></td><td></td><td></td><td class="s"> die "Cannot getnameinfo - $err" if $err;</td></tr>
+<tr><td class="h"><a name="600"></a>600</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="601"></a>601</td><td></td><td></td><td></td><td></td><td class="s"> print "$ipaddr\n";</td></tr>
+<tr><td class="h"><a name="602"></a>602</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="603"></a>603</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="604"></a>604</td><td></td><td></td><td></td><td></td><td class="s">The C<socktype> hint to getaddrinfo() filters the results to only include one</td></tr>
+<tr><td class="h"><a name="605"></a>605</td><td></td><td></td><td></td><td></td><td class="s">socket type and protocol. Without this most OSes return three combinations,</td></tr>
+<tr><td class="h"><a name="606"></a>606</td><td></td><td></td><td></td><td></td><td class="s">for C<SOCK_STREAM>, C<SOCK_DGRAM> and C<SOCK_RAW>, resulting in triplicate</td></tr>
+<tr><td class="h"><a name="607"></a>607</td><td></td><td></td><td></td><td></td><td class="s">output of addresses. The C<NI_NUMERICHOST> flag to getnameinfo() causes it to</td></tr>
+<tr><td class="h"><a name="608"></a>608</td><td></td><td></td><td></td><td></td><td class="s">return a string-formatted plain IP address, rather than reverse resolving it</td></tr>
+<tr><td class="h"><a name="609"></a>609</td><td></td><td></td><td></td><td></td><td class="s">back into a hostname.</td></tr>
+<tr><td class="h"><a name="610"></a>610</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="611"></a>611</td><td></td><td></td><td></td><td></td><td class="s">This combination performs the work of the legacy functions gethostbyname()</td></tr>
+<tr><td class="h"><a name="612"></a>612</td><td></td><td></td><td></td><td></td><td class="s">and inet_ntoa().</td></tr>
+<tr><td class="h"><a name="613"></a>613</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="614"></a>614</td><td></td><td></td><td></td><td></td><td class="s">=head2 Accessing socket options</td></tr>
+<tr><td class="h"><a name="615"></a>615</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="616"></a>616</td><td></td><td></td><td></td><td></td><td class="s">The many C<SO_*> and other constants provide the socket option names for</td></tr>
+<tr><td class="h"><a name="617"></a>617</td><td></td><td></td><td></td><td></td><td class="s">getsockopt() and setsockopt().</td></tr>
+<tr><td class="h"><a name="618"></a>618</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="619"></a>619</td><td></td><td></td><td></td><td></td><td class="s"> use IO::Socket::INET;</td></tr>
+<tr><td class="h"><a name="620"></a>620</td><td></td><td></td><td></td><td></td><td class="s"> use Socket qw(SOL_SOCKET SO_RCVBUF IPPROTO_IP IP_TTL);</td></tr>
+<tr><td class="h"><a name="621"></a>621</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="622"></a>622</td><td></td><td></td><td></td><td></td><td class="s"> my $socket = IO::Socket::INET->new(LocalPort => 0, Proto => 'udp')</td></tr>
+<tr><td class="h"><a name="623"></a>623</td><td></td><td></td><td></td><td></td><td class="s"> or die "Cannot create socket: $@";</td></tr>
+<tr><td class="h"><a name="624"></a>624</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="625"></a>625</td><td></td><td></td><td></td><td></td><td class="s"> $socket->setsockopt(SOL_SOCKET, SO_RCVBUF, 64*1024) or</td></tr>
+<tr><td class="h"><a name="626"></a>626</td><td></td><td></td><td></td><td></td><td class="s"> die "setsockopt: $!";</td></tr>
+<tr><td class="h"><a name="627"></a>627</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="628"></a>628</td><td></td><td></td><td></td><td></td><td class="s"> print "Receive buffer is ", $socket->getsockopt(SOL_SOCKET, SO_RCVBUF),</td></tr>
+<tr><td class="h"><a name="629"></a>629</td><td></td><td></td><td></td><td></td><td class="s"> " bytes\n";</td></tr>
+<tr><td class="h"><a name="630"></a>630</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="631"></a>631</td><td></td><td></td><td></td><td></td><td class="s"> print "IP TTL is ", $socket->getsockopt(IPPROTO_IP, IP_TTL), "\n";</td></tr>
+<tr><td class="h"><a name="632"></a>632</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="633"></a>633</td><td></td><td></td><td></td><td></td><td class="s">As a convenience, L<IO::Socket>'s setsockopt() method will convert a number</td></tr>
+<tr><td class="h"><a name="634"></a>634</td><td></td><td></td><td></td><td></td><td class="s">into a packed byte buffer, and getsockopt() will unpack a byte buffer of the</td></tr>
+<tr><td class="h"><a name="635"></a>635</td><td></td><td></td><td></td><td></td><td class="s">correct size back into a number.</td></tr>
+<tr><td class="h"><a name="636"></a>636</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="637"></a>637</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="638"></a>638</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="639"></a>639</td><td></td><td></td><td></td><td></td><td class="s">=head1 AUTHOR</td></tr>
+<tr><td class="h"><a name="640"></a>640</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="641"></a>641</td><td></td><td></td><td></td><td></td><td class="s">This module was originally maintained in Perl core by the Perl 5 Porters.</td></tr>
+<tr><td class="h"><a name="642"></a>642</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="643"></a>643</td><td></td><td></td><td></td><td></td><td class="s">It was extracted to dual-life on CPAN at version 1.95 by</td></tr>
+<tr><td class="h"><a name="644"></a>644</td><td></td><td></td><td></td><td></td><td class="s">Paul Evans <leonerd@leonerd.org.uk></td></tr>
+<tr><td class="h"><a name="645"></a>645</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="646"></a>646</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="647"></a>647</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="648"></a>648</td><td class="c1">2</td><td class="c1"><span title="Avg 14µs">28µs</span></td><td class="c3">2</td><td class="c1">89µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 50µs (10+39) within Socket::BEGIN@648 which was called:
+# once (10µs+39µs) by IO::Socket::BEGIN@12 at <a href="Socket-pm-485-block.html#648">line 648</a></div></div>use Carp;<div class="calls"><div class="calls_out"># spent 50µs making 1 call to <a href="Socket-pm-485-block.html#648">Socket::BEGIN@648</a>
+# spent 39µs making 1 call to <a href="Exporter-pm-8-block.html#28">Exporter::import</a></div></div></td></tr>
+<tr><td class="h"><a name="649"></a>649</td><td class="c1">2</td><td class="c0"><span title="Avg 167µs">333µs</span></td><td class="c3">2</td><td class="c0">200µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 105µs (10+95) within Socket::BEGIN@649 which was called:
+# once (10µs+95µs) by IO::Socket::BEGIN@12 at <a href="Socket-pm-485-block.html#649">line 649</a></div></div>use warnings::register;<div class="calls"><div class="calls_out"># spent 105µs making 1 call to <a href="Socket-pm-485-block.html#649">Socket::BEGIN@649</a>
+# spent 95µs making 1 call to <a href="warnings-register-pm-7-block.html#38">warnings::register::import</a></div></div></td></tr>
+<tr><td class="h"><a name="650"></a>650</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="651"></a>651</td><td class="c3">1</td><td class="c3"><span title="Avg 800ns">800ns</span></td><td></td><td></td><td class="s">require Exporter;</td></tr>
+<tr><td class="h"><a name="652"></a>652</td><td class="c3">1</td><td class="c3"><span title="Avg 300ns">300ns</span></td><td></td><td></td><td class="s">require XSLoader;</td></tr>
+<tr><td class="h"><a name="653"></a>653</td><td class="c3">1</td><td class="c3"><span title="Avg 7µs">7µs</span></td><td></td><td></td><td class="s">our @ISA = qw(Exporter);</td></tr>
+<tr><td class="h"><a name="654"></a>654</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="655"></a>655</td><td></td><td></td><td></td><td></td><td class="s"># <@Nicholas> you can't change @EXPORT without breaking the implicit API</td></tr>
+<tr><td class="h"><a name="656"></a>656</td><td></td><td></td><td></td><td></td><td class="s"># Please put any new constants in @EXPORT_OK!</td></tr>
+<tr><td class="h"><a name="657"></a>657</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="658"></a>658</td><td></td><td></td><td></td><td></td><td class="s"># List re-ordered to match documentation above. Try to keep the ordering</td></tr>
+<tr><td class="h"><a name="659"></a>659</td><td></td><td></td><td></td><td></td><td class="s"># consistent so it's easier to see which ones are or aren't documented.</td></tr>
+<tr><td class="h"><a name="660"></a>660</td><td class="c3">1</td><td class="c1"><span title="Avg 31µs">31µs</span></td><td></td><td></td><td class="s">our @EXPORT = qw(</td></tr>
+<tr><td class="h"><a name="661"></a>661</td><td></td><td></td><td></td><td></td><td class="s"> PF_802 PF_AAL PF_APPLETALK PF_CCITT PF_CHAOS PF_CTF PF_DATAKIT</td></tr>
+<tr><td class="h"><a name="662"></a>662</td><td></td><td></td><td></td><td></td><td class="s"> PF_DECnet PF_DLI PF_ECMA PF_GOSIP PF_HYLINK PF_IMPLINK PF_INET PF_INET6</td></tr>
+<tr><td class="h"><a name="663"></a>663</td><td></td><td></td><td></td><td></td><td class="s"> PF_ISO PF_KEY PF_LAST PF_LAT PF_LINK PF_MAX PF_NBS PF_NIT PF_NS PF_OSI</td></tr>
+<tr><td class="h"><a name="664"></a>664</td><td></td><td></td><td></td><td></td><td class="s"> PF_OSINET PF_PUP PF_ROUTE PF_SNA PF_UNIX PF_UNSPEC PF_USER PF_WAN</td></tr>
+<tr><td class="h"><a name="665"></a>665</td><td></td><td></td><td></td><td></td><td class="s"> PF_X25</td></tr>
+<tr><td class="h"><a name="666"></a>666</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="667"></a>667</td><td></td><td></td><td></td><td></td><td class="s"> AF_802 AF_AAL AF_APPLETALK AF_CCITT AF_CHAOS AF_CTF AF_DATAKIT</td></tr>
+<tr><td class="h"><a name="668"></a>668</td><td></td><td></td><td></td><td></td><td class="s"> AF_DECnet AF_DLI AF_ECMA AF_GOSIP AF_HYLINK AF_IMPLINK AF_INET AF_INET6</td></tr>
+<tr><td class="h"><a name="669"></a>669</td><td></td><td></td><td></td><td></td><td class="s"> AF_ISO AF_KEY AF_LAST AF_LAT AF_LINK AF_MAX AF_NBS AF_NIT AF_NS AF_OSI</td></tr>
+<tr><td class="h"><a name="670"></a>670</td><td></td><td></td><td></td><td></td><td class="s"> AF_OSINET AF_PUP AF_ROUTE AF_SNA AF_UNIX AF_UNSPEC AF_USER AF_WAN</td></tr>
+<tr><td class="h"><a name="671"></a>671</td><td></td><td></td><td></td><td></td><td class="s"> AF_X25</td></tr>
+<tr><td class="h"><a name="672"></a>672</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="673"></a>673</td><td></td><td></td><td></td><td></td><td class="s"> SOCK_DGRAM SOCK_RAW SOCK_RDM SOCK_SEQPACKET SOCK_STREAM</td></tr>
+<tr><td class="h"><a name="674"></a>674</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="675"></a>675</td><td></td><td></td><td></td><td></td><td class="s"> SOL_SOCKET</td></tr>
+<tr><td class="h"><a name="676"></a>676</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="677"></a>677</td><td></td><td></td><td></td><td></td><td class="s"> SO_ACCEPTCONN SO_ATTACH_FILTER SO_BACKLOG SO_BROADCAST SO_CHAMELEON</td></tr>
+<tr><td class="h"><a name="678"></a>678</td><td></td><td></td><td></td><td></td><td class="s"> SO_DEBUG SO_DETACH_FILTER SO_DGRAM_ERRIND SO_DOMAIN SO_DONTLINGER</td></tr>
+<tr><td class="h"><a name="679"></a>679</td><td></td><td></td><td></td><td></td><td class="s"> SO_DONTROUTE SO_ERROR SO_FAMILY SO_KEEPALIVE SO_LINGER SO_OOBINLINE</td></tr>
+<tr><td class="h"><a name="680"></a>680</td><td></td><td></td><td></td><td></td><td class="s"> SO_PASSCRED SO_PASSIFNAME SO_PEERCRED SO_PROTOCOL SO_PROTOTYPE</td></tr>
+<tr><td class="h"><a name="681"></a>681</td><td></td><td></td><td></td><td></td><td class="s"> SO_RCVBUF SO_RCVLOWAT SO_RCVTIMEO SO_REUSEADDR SO_REUSEPORT</td></tr>
+<tr><td class="h"><a name="682"></a>682</td><td></td><td></td><td></td><td></td><td class="s"> SO_SECURITY_AUTHENTICATION SO_SECURITY_ENCRYPTION_NETWORK</td></tr>
+<tr><td class="h"><a name="683"></a>683</td><td></td><td></td><td></td><td></td><td class="s"> SO_SECURITY_ENCRYPTION_TRANSPORT SO_SNDBUF SO_SNDLOWAT SO_SNDTIMEO</td></tr>
+<tr><td class="h"><a name="684"></a>684</td><td></td><td></td><td></td><td></td><td class="s"> SO_STATE SO_TYPE SO_USELOOPBACK SO_XOPEN SO_XSE</td></tr>
+<tr><td class="h"><a name="685"></a>685</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="686"></a>686</td><td></td><td></td><td></td><td></td><td class="s"> IP_OPTIONS IP_HDRINCL IP_TOS IP_TTL IP_RECVOPTS IP_RECVRETOPTS</td></tr>
+<tr><td class="h"><a name="687"></a>687</td><td></td><td></td><td></td><td></td><td class="s"> IP_RETOPTS</td></tr>
+<tr><td class="h"><a name="688"></a>688</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="689"></a>689</td><td></td><td></td><td></td><td></td><td class="s"> MSG_BCAST MSG_BTAG MSG_CTLFLAGS MSG_CTLIGNORE MSG_CTRUNC MSG_DONTROUTE</td></tr>
+<tr><td class="h"><a name="690"></a>690</td><td></td><td></td><td></td><td></td><td class="s"> MSG_DONTWAIT MSG_EOF MSG_EOR MSG_ERRQUEUE MSG_ETAG MSG_FIN</td></tr>
+<tr><td class="h"><a name="691"></a>691</td><td></td><td></td><td></td><td></td><td class="s"> MSG_MAXIOVLEN MSG_MCAST MSG_NOSIGNAL MSG_OOB MSG_PEEK MSG_PROXY MSG_RST</td></tr>
+<tr><td class="h"><a name="692"></a>692</td><td></td><td></td><td></td><td></td><td class="s"> MSG_SYN MSG_TRUNC MSG_URG MSG_WAITALL MSG_WIRE</td></tr>
+<tr><td class="h"><a name="693"></a>693</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="694"></a>694</td><td></td><td></td><td></td><td></td><td class="s"> SHUT_RD SHUT_RDWR SHUT_WR</td></tr>
+<tr><td class="h"><a name="695"></a>695</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="696"></a>696</td><td></td><td></td><td></td><td></td><td class="s"> INADDR_ANY INADDR_BROADCAST INADDR_LOOPBACK INADDR_NONE</td></tr>
+<tr><td class="h"><a name="697"></a>697</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="698"></a>698</td><td></td><td></td><td></td><td></td><td class="s"> SCM_CONNECT SCM_CREDENTIALS SCM_CREDS SCM_RIGHTS SCM_TIMESTAMP</td></tr>
+<tr><td class="h"><a name="699"></a>699</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="700"></a>700</td><td></td><td></td><td></td><td></td><td class="s"> SOMAXCONN</td></tr>
+<tr><td class="h"><a name="701"></a>701</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="702"></a>702</td><td></td><td></td><td></td><td></td><td class="s"> IOV_MAX</td></tr>
+<tr><td class="h"><a name="703"></a>703</td><td></td><td></td><td></td><td></td><td class="s"> UIO_MAXIOV</td></tr>
+<tr><td class="h"><a name="704"></a>704</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="705"></a>705</td><td></td><td></td><td></td><td></td><td class="s"> sockaddr_family</td></tr>
+<tr><td class="h"><a name="706"></a>706</td><td></td><td></td><td></td><td></td><td class="s"> pack_sockaddr_in unpack_sockaddr_in sockaddr_in</td></tr>
+<tr><td class="h"><a name="707"></a>707</td><td></td><td></td><td></td><td></td><td class="s"> pack_sockaddr_in6 unpack_sockaddr_in6 sockaddr_in6</td></tr>
+<tr><td class="h"><a name="708"></a>708</td><td></td><td></td><td></td><td></td><td class="s"> pack_sockaddr_un unpack_sockaddr_un sockaddr_un </td></tr>
+<tr><td class="h"><a name="709"></a>709</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="710"></a>710</td><td></td><td></td><td></td><td></td><td class="s"> inet_aton inet_ntoa</td></tr>
+<tr><td class="h"><a name="711"></a>711</td><td></td><td></td><td></td><td></td><td class="s">);</td></tr>
+<tr><td class="h"><a name="712"></a>712</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="713"></a>713</td><td></td><td></td><td></td><td></td><td class="s"># List re-ordered to match documentation above. Try to keep the ordering</td></tr>
+<tr><td class="h"><a name="714"></a>714</td><td></td><td></td><td></td><td></td><td class="s"># consistent so it's easier to see which ones are or aren't documented.</td></tr>
+<tr><td class="h"><a name="715"></a>715</td><td class="c3">1</td><td class="c3"><span title="Avg 12µs">12µs</span></td><td></td><td></td><td class="s">our @EXPORT_OK = qw(</td></tr>
+<tr><td class="h"><a name="716"></a>716</td><td></td><td></td><td></td><td></td><td class="s"> CR LF CRLF $CR $LF $CRLF</td></tr>
+<tr><td class="h"><a name="717"></a>717</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="718"></a>718</td><td></td><td></td><td></td><td></td><td class="s"> IPPROTO_IP IPPROTO_IPV6 IPPROTO_RAW IPPROTO_ICMP IPPROTO_TCP</td></tr>
+<tr><td class="h"><a name="719"></a>719</td><td></td><td></td><td></td><td></td><td class="s"> IPPROTO_UDP</td></tr>
+<tr><td class="h"><a name="720"></a>720</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="721"></a>721</td><td></td><td></td><td></td><td></td><td class="s"> TCP_CONGESTION TCP_CORK TCP_DEFER_ACCEPT TCP_INFO TCP_KEEPALIVE</td></tr>
+<tr><td class="h"><a name="722"></a>722</td><td></td><td></td><td></td><td></td><td class="s"> TCP_KEEPCNT TCP_KEEPIDLE TCP_KEEPINTVL TCP_LINGER2 TCP_MAXRT TCP_MAXSEG</td></tr>
+<tr><td class="h"><a name="723"></a>723</td><td></td><td></td><td></td><td></td><td class="s"> TCP_MD5SIG TCP_NODELAY TCP_QUICKACK TCP_STDURG TCP_SYNCNT</td></tr>
+<tr><td class="h"><a name="724"></a>724</td><td></td><td></td><td></td><td></td><td class="s"> TCP_WINDOW_CLAMP </td></tr>
+<tr><td class="h"><a name="725"></a>725</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="726"></a>726</td><td></td><td></td><td></td><td></td><td class="s"> IN6ADDR_ANY IN6ADDR_LOOPBACK</td></tr>
+<tr><td class="h"><a name="727"></a>727</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="728"></a>728</td><td></td><td></td><td></td><td></td><td class="s"> IPV6_ADD_MEMBERSHIP IPV6_DROP_MEMBERSHIP IPV6_MTU IPV6_MTU_DISCOVER</td></tr>
+<tr><td class="h"><a name="729"></a>729</td><td></td><td></td><td></td><td></td><td class="s"> IPV6_MULTICAST_HOPS IPV6_MULTICAST_IF IPV6_MULTICAST_LOOP</td></tr>
+<tr><td class="h"><a name="730"></a>730</td><td></td><td></td><td></td><td></td><td class="s"> IPV6_UNICAST_HOPS IPV6_V6ONLY</td></tr>
+<tr><td class="h"><a name="731"></a>731</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="732"></a>732</td><td></td><td></td><td></td><td></td><td class="s"> pack_ipv6_mreq unpack_ipv6_mreq</td></tr>
+<tr><td class="h"><a name="733"></a>733</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="734"></a>734</td><td></td><td></td><td></td><td></td><td class="s"> inet_pton inet_ntop</td></tr>
+<tr><td class="h"><a name="735"></a>735</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="736"></a>736</td><td></td><td></td><td></td><td></td><td class="s"> getaddrinfo getnameinfo</td></tr>
+<tr><td class="h"><a name="737"></a>737</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="738"></a>738</td><td></td><td></td><td></td><td></td><td class="s"> AI_ADDRCONFIG AI_ALL AI_CANONIDN AI_CANONNAME AI_IDN</td></tr>
+<tr><td class="h"><a name="739"></a>739</td><td></td><td></td><td></td><td></td><td class="s"> AI_IDN_ALLOW_UNASSIGNED AI_IDN_USE_STD3_ASCII_RULES AI_NUMERICHOST</td></tr>
+<tr><td class="h"><a name="740"></a>740</td><td></td><td></td><td></td><td></td><td class="s"> AI_NUMERICSERV AI_PASSIVE AI_V4MAPPED</td></tr>
+<tr><td class="h"><a name="741"></a>741</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="742"></a>742</td><td></td><td></td><td></td><td></td><td class="s"> NI_DGRAM NI_IDN NI_IDN_ALLOW_UNASSIGNED NI_IDN_USE_STD3_ASCII_RULES</td></tr>
+<tr><td class="h"><a name="743"></a>743</td><td></td><td></td><td></td><td></td><td class="s"> NI_NAMEREQD NI_NOFQDN NI_NUMERICHOST NI_NUMERICSERV</td></tr>
+<tr><td class="h"><a name="744"></a>744</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="745"></a>745</td><td></td><td></td><td></td><td></td><td class="s"> NIx_NOHOST NIx_NOSERV</td></tr>
+<tr><td class="h"><a name="746"></a>746</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="747"></a>747</td><td></td><td></td><td></td><td></td><td class="s"> EAI_ADDRFAMILY EAI_AGAIN EAI_BADFLAGS EAI_BADHINTS EAI_FAIL EAI_FAMILY</td></tr>
+<tr><td class="h"><a name="748"></a>748</td><td></td><td></td><td></td><td></td><td class="s"> EAI_NODATA EAI_NONAME EAI_PROTOCOL EAI_SERVICE EAI_SOCKTYPE EAI_SYSTEM</td></tr>
+<tr><td class="h"><a name="749"></a>749</td><td></td><td></td><td></td><td></td><td class="s">);</td></tr>
+<tr><td class="h"><a name="750"></a>750</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="751"></a>751</td><td class="c3">1</td><td class="c0"><span title="Avg 150µs">150µs</span></td><td class="c0">79</td><td class="c3">22µs</td><td class="s">our %EXPORT_TAGS = (<div class="calls"><div class="calls_out"># spent 22µs making 79 calls to <a href="Socket-pm-485-block.html#Socket__CORE_match">Socket::CORE:match</a>, avg 282ns/call</div></div></td></tr>
+<tr><td class="h"><a name="752"></a>752</td><td></td><td></td><td></td><td></td><td class="s"> crlf => [qw(CR LF CRLF $CR $LF $CRLF)],</td></tr>
+<tr><td class="h"><a name="753"></a>753</td><td></td><td></td><td></td><td></td><td class="s"> addrinfo => [qw(getaddrinfo getnameinfo), grep m/^(?:AI|NI|NIx|EAI)_/, @EXPORT_OK],</td></tr>
+<tr><td class="h"><a name="754"></a>754</td><td></td><td></td><td></td><td></td><td class="s"> all => [@EXPORT, @EXPORT_OK],</td></tr>
+<tr><td class="h"><a name="755"></a>755</td><td></td><td></td><td></td><td></td><td class="s">);</td></tr>
+<tr><td class="h"><a name="756"></a>756</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="757"></a>757</td><td class="c3">1</td><td class="c3"><span title="Avg 4µs">4µs</span></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 4µs within Socket::BEGIN@757 which was called:
+# once (4µs+0s) by IO::Socket::BEGIN@12 at <a href="Socket-pm-485-block.html#766">line 766</a></div></div>BEGIN {</td></tr>
+<tr><td class="h"><a name="758"></a>758</td><td></td><td></td><td></td><td></td><td class="s"> sub CR () {"\015"}</td></tr>
+<tr><td class="h"><a name="759"></a>759</td><td></td><td></td><td></td><td></td><td class="s"> sub LF () {"\012"}</td></tr>
+<tr><td class="h"><a name="760"></a>760</td><td></td><td></td><td></td><td></td><td class="s"> sub CRLF () {"\015\012"}</td></tr>
+<tr><td class="h"><a name="761"></a>761</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="762"></a>762</td><td></td><td></td><td></td><td></td><td class="s"> # These are not gni() constants; they're extensions for the perl API</td></tr>
+<tr><td class="h"><a name="763"></a>763</td><td></td><td></td><td></td><td></td><td class="s"> # The definitions in Socket.pm and Socket.xs must match</td></tr>
+<tr><td class="h"><a name="764"></a>764</td><td></td><td></td><td></td><td></td><td class="s"> sub NIx_NOHOST() {1 << 0}</td></tr>
+<tr><td class="h"><a name="765"></a>765</td><td></td><td></td><td></td><td></td><td class="s"> sub NIx_NOSERV() {1 << 1}</td></tr>
+<tr><td class="h"><a name="766"></a>766</td><td class="c3">1</td><td class="c0"><span title="Avg 379µs">379µs</span></td><td class="c3">1</td><td class="c3">4µs</td><td class="s">}<div class="calls"><div class="calls_out"># spent 4µs making 1 call to <a href="Socket-pm-485-block.html#757">Socket::BEGIN@757</a></div></div></td></tr>
+<tr><td class="h"><a name="767"></a>767</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="768"></a>768</td><td class="c3">1</td><td class="c3"><span title="Avg 700ns">700ns</span></td><td></td><td></td><td class="s">*CR = \CR();</td></tr>
+<tr><td class="h"><a name="769"></a>769</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">*LF = \LF();</td></tr>
+<tr><td class="h"><a name="770"></a>770</td><td class="c3">1</td><td class="c3"><span title="Avg 100ns">100ns</span></td><td></td><td></td><td class="s">*CRLF = \CRLF();</td></tr>
+<tr><td class="h"><a name="771"></a>771</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="772"></a>772</td><td></td><td></td><td></td><td></td><td class="s">sub sockaddr_in {</td></tr>
+<tr><td class="h"><a name="773"></a>773</td><td></td><td></td><td></td><td></td><td class="s"> if (@_ == 6 && !wantarray) { # perl5.001m compat; use this && die</td></tr>
+<tr><td class="h"><a name="774"></a>774</td><td></td><td></td><td></td><td></td><td class="s"> my($af, $port, @quad) = @_;</td></tr>
+<tr><td class="h"><a name="775"></a>775</td><td></td><td></td><td></td><td></td><td class="s"> warnings::warn "6-ARG sockaddr_in call is deprecated" </td></tr>
+<tr><td class="h"><a name="776"></a>776</td><td></td><td></td><td></td><td></td><td class="s"> if warnings::enabled();</td></tr>
+<tr><td class="h"><a name="777"></a>777</td><td></td><td></td><td></td><td></td><td class="s"> pack_sockaddr_in($port, inet_aton(join('.', @quad)));</td></tr>
+<tr><td class="h"><a name="778"></a>778</td><td></td><td></td><td></td><td></td><td class="s"> } elsif (wantarray) {</td></tr>
+<tr><td class="h"><a name="779"></a>779</td><td></td><td></td><td></td><td></td><td class="s"> croak "usage: (port,iaddr) = sockaddr_in(sin_sv)" unless @_ == 1;</td></tr>
+<tr><td class="h"><a name="780"></a>780</td><td></td><td></td><td></td><td></td><td class="s"> unpack_sockaddr_in(@_);</td></tr>
+<tr><td class="h"><a name="781"></a>781</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
+<tr><td class="h"><a name="782"></a>782</td><td></td><td></td><td></td><td></td><td class="s"> croak "usage: sin_sv = sockaddr_in(port,iaddr))" unless @_ == 2;</td></tr>
+<tr><td class="h"><a name="783"></a>783</td><td></td><td></td><td></td><td></td><td class="s"> pack_sockaddr_in(@_);</td></tr>
+<tr><td class="h"><a name="784"></a>784</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="785"></a>785</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="786"></a>786</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="787"></a>787</td><td></td><td></td><td></td><td></td><td class="s">sub sockaddr_in6 {</td></tr>
+<tr><td class="h"><a name="788"></a>788</td><td></td><td></td><td></td><td></td><td class="s"> if (wantarray) {</td></tr>
+<tr><td class="h"><a name="789"></a>789</td><td></td><td></td><td></td><td></td><td class="s"> croak "usage: (port,in6addr,scope_id,flowinfo) = sockaddr_in6(sin6_sv)" unless @_ == 1;</td></tr>
+<tr><td class="h"><a name="790"></a>790</td><td></td><td></td><td></td><td></td><td class="s"> unpack_sockaddr_in6(@_);</td></tr>
+<tr><td class="h"><a name="791"></a>791</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="792"></a>792</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
+<tr><td class="h"><a name="793"></a>793</td><td></td><td></td><td></td><td></td><td class="s"> croak "usage: sin6_sv = sockaddr_in6(port,in6addr,[scope_id,[flowinfo]])" unless @_ >= 2 and @_ <= 4;</td></tr>
+<tr><td class="h"><a name="794"></a>794</td><td></td><td></td><td></td><td></td><td class="s"> pack_sockaddr_in6(@_);</td></tr>
+<tr><td class="h"><a name="795"></a>795</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="796"></a>796</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="797"></a>797</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="798"></a>798</td><td></td><td></td><td></td><td></td><td class="s">sub sockaddr_un {</td></tr>
+<tr><td class="h"><a name="799"></a>799</td><td></td><td></td><td></td><td></td><td class="s"> if (wantarray) {</td></tr>
+<tr><td class="h"><a name="800"></a>800</td><td></td><td></td><td></td><td></td><td class="s"> croak "usage: (filename) = sockaddr_un(sun_sv)" unless @_ == 1;</td></tr>
+<tr><td class="h"><a name="801"></a>801</td><td></td><td></td><td></td><td></td><td class="s"> unpack_sockaddr_un(@_);</td></tr>
+<tr><td class="h"><a name="802"></a>802</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
+<tr><td class="h"><a name="803"></a>803</td><td></td><td></td><td></td><td></td><td class="s"> croak "usage: sun_sv = sockaddr_un(filename)" unless @_ == 1;</td></tr>
+<tr><td class="h"><a name="804"></a>804</td><td></td><td></td><td></td><td></td><td class="s"> pack_sockaddr_un(@_);</td></tr>
+<tr><td class="h"><a name="805"></a>805</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="806"></a>806</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="807"></a>807</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="808"></a>808</td><td class="c3">1</td><td class="c0"><span title="Avg 454µs">454µs</span></td><td class="c3">1</td><td class="c0">447µs</td><td class="s">XSLoader::load(__PACKAGE__, $VERSION);<div class="calls"><div class="calls_out"># spent 447µs making 1 call to <a href="XSLoader-pm-681-block.html#20">XSLoader::load</a></div></div></td></tr>
+<tr><td class="h"><a name="809"></a>809</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="810"></a>810</td><td class="c3">1</td><td class="c3"><span title="Avg 200ns">200ns</span></td><td></td><td></td><td class="s">my %errstr;</td></tr>
+<tr><td class="h"><a name="811"></a>811</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="812"></a>812</td><td class="c0">3</td><td class="c3"><span title="Avg 800ns">2µs</span></td><td></td><td></td><td class="s">if( defined &getaddrinfo ) {</td></tr>
+<tr><td class="h"><a name="813"></a>813</td><td></td><td></td><td></td><td></td><td class="s"> # These are not part of the API, nothing uses them, and deleting them</td></tr>
+<tr><td class="h"><a name="814"></a>814</td><td></td><td></td><td></td><td></td><td class="s"> # reduces the size of %Socket:: by about 12K</td></tr>
+<tr><td class="h"><a name="815"></a>815</td><td></td><td></td><td></td><td></td><td class="s"> delete $Socket::{fake_getaddrinfo};</td></tr>
+<tr><td class="h"><a name="816"></a>816</td><td></td><td></td><td></td><td></td><td class="s"> delete $Socket::{fake_getnameinfo};</td></tr>
+<tr><td class="h"><a name="817"></a>817</td><td></td><td></td><td></td><td></td><td class="s">} else {</td></tr>
+<tr><td class="h"><a name="818"></a>818</td><td></td><td></td><td></td><td></td><td class="s"> require Scalar::Util;</td></tr>
+<tr><td class="h"><a name="819"></a>819</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="820"></a>820</td><td></td><td></td><td></td><td></td><td class="s"> *getaddrinfo = \&fake_getaddrinfo;</td></tr>
+<tr><td class="h"><a name="821"></a>821</td><td></td><td></td><td></td><td></td><td class="s"> *getnameinfo = \&fake_getnameinfo;</td></tr>
+<tr><td class="h"><a name="822"></a>822</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="823"></a>823</td><td></td><td></td><td></td><td></td><td class="s"> # These numbers borrowed from GNU libc's implementation, but since</td></tr>
+<tr><td class="h"><a name="824"></a>824</td><td></td><td></td><td></td><td></td><td class="s"> # they're only used by our emulation, it doesn't matter if the real</td></tr>
+<tr><td class="h"><a name="825"></a>825</td><td></td><td></td><td></td><td></td><td class="s"> # platform's values differ</td></tr>
+<tr><td class="h"><a name="826"></a>826</td><td></td><td></td><td></td><td></td><td class="s"> my %constants = (</td></tr>
+<tr><td class="h"><a name="827"></a>827</td><td></td><td></td><td></td><td></td><td class="s"> AI_PASSIVE => 1,</td></tr>
+<tr><td class="h"><a name="828"></a>828</td><td></td><td></td><td></td><td></td><td class="s"> AI_CANONNAME => 2,</td></tr>
+<tr><td class="h"><a name="829"></a>829</td><td></td><td></td><td></td><td></td><td class="s"> AI_NUMERICHOST => 4,</td></tr>
+<tr><td class="h"><a name="830"></a>830</td><td></td><td></td><td></td><td></td><td class="s"> AI_V4MAPPED => 8,</td></tr>
+<tr><td class="h"><a name="831"></a>831</td><td></td><td></td><td></td><td></td><td class="s"> AI_ALL => 16,</td></tr>
+<tr><td class="h"><a name="832"></a>832</td><td></td><td></td><td></td><td></td><td class="s"> AI_ADDRCONFIG => 32,</td></tr>
+<tr><td class="h"><a name="833"></a>833</td><td></td><td></td><td></td><td></td><td class="s"> # RFC 2553 doesn't define this but Linux does - lets be nice and</td></tr>
+<tr><td class="h"><a name="834"></a>834</td><td></td><td></td><td></td><td></td><td class="s"> # provide it since we can</td></tr>
+<tr><td class="h"><a name="835"></a>835</td><td></td><td></td><td></td><td></td><td class="s"> AI_NUMERICSERV => 1024,</td></tr>
+<tr><td class="h"><a name="836"></a>836</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="837"></a>837</td><td></td><td></td><td></td><td></td><td class="s"> EAI_BADFLAGS => -1,</td></tr>
+<tr><td class="h"><a name="838"></a>838</td><td></td><td></td><td></td><td></td><td class="s"> EAI_NONAME => -2,</td></tr>
+<tr><td class="h"><a name="839"></a>839</td><td></td><td></td><td></td><td></td><td class="s"> EAI_NODATA => -5,</td></tr>
+<tr><td class="h"><a name="840"></a>840</td><td></td><td></td><td></td><td></td><td class="s"> EAI_FAMILY => -6,</td></tr>
+<tr><td class="h"><a name="841"></a>841</td><td></td><td></td><td></td><td></td><td class="s"> EAI_SERVICE => -8,</td></tr>
+<tr><td class="h"><a name="842"></a>842</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="843"></a>843</td><td></td><td></td><td></td><td></td><td class="s"> NI_NUMERICHOST => 1,</td></tr>
+<tr><td class="h"><a name="844"></a>844</td><td></td><td></td><td></td><td></td><td class="s"> NI_NUMERICSERV => 2,</td></tr>
+<tr><td class="h"><a name="845"></a>845</td><td></td><td></td><td></td><td></td><td class="s"> NI_NOFQDN => 4,</td></tr>
+<tr><td class="h"><a name="846"></a>846</td><td></td><td></td><td></td><td></td><td class="s"> NI_NAMEREQD => 8,</td></tr>
+<tr><td class="h"><a name="847"></a>847</td><td></td><td></td><td></td><td></td><td class="s"> NI_DGRAM => 16,</td></tr>
+<tr><td class="h"><a name="848"></a>848</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="849"></a>849</td><td></td><td></td><td></td><td></td><td class="s"> # Constants we don't support. Export them, but croak if anyone tries to</td></tr>
+<tr><td class="h"><a name="850"></a>850</td><td></td><td></td><td></td><td></td><td class="s"> # use them</td></tr>
+<tr><td class="h"><a name="851"></a>851</td><td></td><td></td><td></td><td></td><td class="s"> AI_IDN => 64,</td></tr>
+<tr><td class="h"><a name="852"></a>852</td><td></td><td></td><td></td><td></td><td class="s"> AI_CANONIDN => 128,</td></tr>
+<tr><td class="h"><a name="853"></a>853</td><td></td><td></td><td></td><td></td><td class="s"> AI_IDN_ALLOW_UNASSIGNED => 256,</td></tr>
+<tr><td class="h"><a name="854"></a>854</td><td></td><td></td><td></td><td></td><td class="s"> AI_IDN_USE_STD3_ASCII_RULES => 512,</td></tr>
+<tr><td class="h"><a name="855"></a>855</td><td></td><td></td><td></td><td></td><td class="s"> NI_IDN => 32,</td></tr>
+<tr><td class="h"><a name="856"></a>856</td><td></td><td></td><td></td><td></td><td class="s"> NI_IDN_ALLOW_UNASSIGNED => 64,</td></tr>
+<tr><td class="h"><a name="857"></a>857</td><td></td><td></td><td></td><td></td><td class="s"> NI_IDN_USE_STD3_ASCII_RULES => 128,</td></tr>
+<tr><td class="h"><a name="858"></a>858</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="859"></a>859</td><td></td><td></td><td></td><td></td><td class="s"> # Error constants we'll never return, so it doesn't matter what value</td></tr>
+<tr><td class="h"><a name="860"></a>860</td><td></td><td></td><td></td><td></td><td class="s"> # these have, nor that we don't provide strings for them</td></tr>
+<tr><td class="h"><a name="861"></a>861</td><td></td><td></td><td></td><td></td><td class="s"> EAI_SYSTEM => -11,</td></tr>
+<tr><td class="h"><a name="862"></a>862</td><td></td><td></td><td></td><td></td><td class="s"> EAI_BADHINTS => -1000,</td></tr>
+<tr><td class="h"><a name="863"></a>863</td><td></td><td></td><td></td><td></td><td class="s"> EAI_PROTOCOL => -1001</td></tr>
+<tr><td class="h"><a name="864"></a>864</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
+<tr><td class="h"><a name="865"></a>865</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="866"></a>866</td><td></td><td></td><td></td><td></td><td class="s"> foreach my $name ( keys %constants ) {</td></tr>
+<tr><td class="h"><a name="867"></a>867</td><td></td><td></td><td></td><td></td><td class="s"> my $value = $constants{$name};</td></tr>
+<tr><td class="h"><a name="868"></a>868</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="869"></a>869</td><td class="c1">2</td><td class="c0"><span title="Avg 543µs">1.09ms</span></td><td class="c3">2</td><td class="c3">44µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 27µs (10+17) within Socket::BEGIN@869 which was called:
+# once (10µs+17µs) by IO::Socket::BEGIN@12 at <a href="Socket-pm-485-block.html#869">line 869</a></div></div> no strict 'refs';<div class="calls"><div class="calls_out"> # spent 27µs making 1 call to <a href="Socket-pm-485-block.html#869">Socket::BEGIN@869</a>
+ # spent 17µs making 1 call to <a href="strict-pm-3-block.html#39">strict::unimport</a></div></div></td></tr>
+<tr><td class="h"><a name="870"></a>870</td><td></td><td></td><td></td><td></td><td class="s"> defined &$name or *$name = sub () { $value };</td></tr>
+<tr><td class="h"><a name="871"></a>871</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="872"></a>872</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="873"></a>873</td><td></td><td></td><td></td><td></td><td class="s"> %errstr = (</td></tr>
+<tr><td class="h"><a name="874"></a>874</td><td></td><td></td><td></td><td></td><td class="s"> # These strings from RFC 2553</td></tr>
+<tr><td class="h"><a name="875"></a>875</td><td></td><td></td><td></td><td></td><td class="s"> EAI_BADFLAGS() => "invalid value for ai_flags",</td></tr>
+<tr><td class="h"><a name="876"></a>876</td><td></td><td></td><td></td><td></td><td class="s"> EAI_NONAME() => "nodename nor servname provided, or not known",</td></tr>
+<tr><td class="h"><a name="877"></a>877</td><td></td><td></td><td></td><td></td><td class="s"> EAI_NODATA() => "no address associated with nodename",</td></tr>
+<tr><td class="h"><a name="878"></a>878</td><td></td><td></td><td></td><td></td><td class="s"> EAI_FAMILY() => "ai_family not supported",</td></tr>
+<tr><td class="h"><a name="879"></a>879</td><td></td><td></td><td></td><td></td><td class="s"> EAI_SERVICE() => "servname not supported for ai_socktype",</td></tr>
+<tr><td class="h"><a name="880"></a>880</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
+<tr><td class="h"><a name="881"></a>881</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="882"></a>882</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="883"></a>883</td><td></td><td></td><td></td><td></td><td class="s"># The following functions are used if the system does not have a</td></tr>
+<tr><td class="h"><a name="884"></a>884</td><td></td><td></td><td></td><td></td><td class="s"># getaddrinfo(3) function in libc; and are used to emulate it for the AF_INET</td></tr>
+<tr><td class="h"><a name="885"></a>885</td><td></td><td></td><td></td><td></td><td class="s"># family</td></tr>
+<tr><td class="h"><a name="886"></a>886</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="887"></a>887</td><td></td><td></td><td></td><td></td><td class="s"># Borrowed from Regexp::Common::net</td></tr>
+<tr><td class="h"><a name="888"></a>888</td><td class="c3">1</td><td class="c3"><span title="Avg 12µs">12µs</span></td><td class="c3">1</td><td class="c3">6µs</td><td class="s">my $REGEXP_IPv4_DECIMAL = qr/25[0-5]|2[0-4][0-9]|1?[0-9][0-9]{1,2}/;<div class="calls"><div class="calls_out"># spent 6µs making 1 call to <a href="Socket-pm-485-block.html#Socket__CORE_qr">Socket::CORE:qr</a></div></div></td></tr>
+<tr><td class="h"><a name="889"></a>889</td><td class="c3">1</td><td class="c0"><span title="Avg 52µs">52µs</span></td><td class="c3">2</td><td class="c3">45µs</td><td class="s">my $REGEXP_IPv4_DOTTEDQUAD = qr/$REGEXP_IPv4_DECIMAL\.$REGEXP_IPv4_DECIMAL\.$REGEXP_IPv4_DECIMAL\.$REGEXP_IPv4_DECIMAL/;<div class="calls"><div class="calls_out"># spent 44µs making 1 call to <a href="Socket-pm-485-block.html#Socket__CORE_regcomp">Socket::CORE:regcomp</a>
+# spent 1µs making 1 call to <a href="Socket-pm-485-block.html#Socket__CORE_qr">Socket::CORE:qr</a></div></div></td></tr>
+<tr><td class="h"><a name="890"></a>890</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="891"></a>891</td><td></td><td></td><td></td><td></td><td class="s">sub fake_makeerr</td></tr>
+<tr><td class="h"><a name="892"></a>892</td><td></td><td></td><td></td><td></td><td class="s">{</td></tr>
+<tr><td class="h"><a name="893"></a>893</td><td></td><td></td><td></td><td></td><td class="s"> my ( $errno ) = @_;</td></tr>
+<tr><td class="h"><a name="894"></a>894</td><td></td><td></td><td></td><td></td><td class="s"> my $errstr = $errno == 0 ? "" : ( $errstr{$errno} || $errno );</td></tr>
+<tr><td class="h"><a name="895"></a>895</td><td></td><td></td><td></td><td></td><td class="s"> return Scalar::Util::dualvar( $errno, $errstr );</td></tr>
+<tr><td class="h"><a name="896"></a>896</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="897"></a>897</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="898"></a>898</td><td></td><td></td><td></td><td></td><td class="s">sub fake_getaddrinfo</td></tr>
+<tr><td class="h"><a name="899"></a>899</td><td></td><td></td><td></td><td></td><td class="s">{</td></tr>
+<tr><td class="h"><a name="900"></a>900</td><td></td><td></td><td></td><td></td><td class="s"> my ( $node, $service, $hints ) = @_;</td></tr>
+<tr><td class="h"><a name="901"></a>901</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="902"></a>902</td><td></td><td></td><td></td><td></td><td class="s"> $node = "" unless defined $node;</td></tr>
+<tr><td class="h"><a name="903"></a>903</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="904"></a>904</td><td></td><td></td><td></td><td></td><td class="s"> $service = "" unless defined $service;</td></tr>
+<tr><td class="h"><a name="905"></a>905</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="906"></a>906</td><td></td><td></td><td></td><td></td><td class="s"> my ( $family, $socktype, $protocol, $flags ) = @$hints{qw( family socktype protocol flags )};</td></tr>
+<tr><td class="h"><a name="907"></a>907</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="908"></a>908</td><td></td><td></td><td></td><td></td><td class="s"> $family ||= Socket::AF_INET(); # 0 == AF_UNSPEC, which we want too</td></tr>
+<tr><td class="h"><a name="909"></a>909</td><td></td><td></td><td></td><td></td><td class="s"> $family == Socket::AF_INET() or return fake_makeerr( EAI_FAMILY() );</td></tr>
+<tr><td class="h"><a name="910"></a>910</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="911"></a>911</td><td></td><td></td><td></td><td></td><td class="s"> $socktype ||= 0;</td></tr>
+<tr><td class="h"><a name="912"></a>912</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="913"></a>913</td><td></td><td></td><td></td><td></td><td class="s"> $protocol ||= 0;</td></tr>
+<tr><td class="h"><a name="914"></a>914</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="915"></a>915</td><td></td><td></td><td></td><td></td><td class="s"> $flags ||= 0;</td></tr>
+<tr><td class="h"><a name="916"></a>916</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="917"></a>917</td><td></td><td></td><td></td><td></td><td class="s"> my $flag_passive = $flags & AI_PASSIVE(); $flags &= ~AI_PASSIVE();</td></tr>
+<tr><td class="h"><a name="918"></a>918</td><td></td><td></td><td></td><td></td><td class="s"> my $flag_canonname = $flags & AI_CANONNAME(); $flags &= ~AI_CANONNAME();</td></tr>
+<tr><td class="h"><a name="919"></a>919</td><td></td><td></td><td></td><td></td><td class="s"> my $flag_numerichost = $flags & AI_NUMERICHOST(); $flags &= ~AI_NUMERICHOST();</td></tr>
+<tr><td class="h"><a name="920"></a>920</td><td></td><td></td><td></td><td></td><td class="s"> my $flag_numericserv = $flags & AI_NUMERICSERV(); $flags &= ~AI_NUMERICSERV();</td></tr>
+<tr><td class="h"><a name="921"></a>921</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="922"></a>922</td><td></td><td></td><td></td><td></td><td class="s"> # These constants don't apply to AF_INET-only lookups, so we might as well</td></tr>
+<tr><td class="h"><a name="923"></a>923</td><td></td><td></td><td></td><td></td><td class="s"> # just ignore them. For AI_ADDRCONFIG we just presume the host has ability</td></tr>
+<tr><td class="h"><a name="924"></a>924</td><td></td><td></td><td></td><td></td><td class="s"> # to talk AF_INET. If not we'd have to return no addresses at all. :)</td></tr>
+<tr><td class="h"><a name="925"></a>925</td><td></td><td></td><td></td><td></td><td class="s"> $flags &= ~(AI_V4MAPPED()|AI_ALL()|AI_ADDRCONFIG());</td></tr>
+<tr><td class="h"><a name="926"></a>926</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="927"></a>927</td><td></td><td></td><td></td><td></td><td class="s"> $flags & (AI_IDN()|AI_CANONIDN()|AI_IDN_ALLOW_UNASSIGNED()|AI_IDN_USE_STD3_ASCII_RULES()) and</td></tr>
+<tr><td class="h"><a name="928"></a>928</td><td></td><td></td><td></td><td></td><td class="s"> croak "Socket::getaddrinfo() does not support IDN";</td></tr>
+<tr><td class="h"><a name="929"></a>929</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="930"></a>930</td><td></td><td></td><td></td><td></td><td class="s"> $flags == 0 or return fake_makeerr( EAI_BADFLAGS() );</td></tr>
+<tr><td class="h"><a name="931"></a>931</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="932"></a>932</td><td></td><td></td><td></td><td></td><td class="s"> $node eq "" and $service eq "" and return fake_makeerr( EAI_NONAME() );</td></tr>
+<tr><td class="h"><a name="933"></a>933</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="934"></a>934</td><td></td><td></td><td></td><td></td><td class="s"> my $canonname;</td></tr>
+<tr><td class="h"><a name="935"></a>935</td><td></td><td></td><td></td><td></td><td class="s"> my @addrs;</td></tr>
+<tr><td class="h"><a name="936"></a>936</td><td></td><td></td><td></td><td></td><td class="s"> if( $node ne "" ) {</td></tr>
+<tr><td class="h"><a name="937"></a>937</td><td></td><td></td><td></td><td></td><td class="s"> return fake_makeerr( EAI_NONAME() ) if( $flag_numerichost and $node !~ m/^$REGEXP_IPv4_DOTTEDQUAD$/ );</td></tr>
+<tr><td class="h"><a name="938"></a>938</td><td></td><td></td><td></td><td></td><td class="s"> ( $canonname, undef, undef, undef, @addrs ) = gethostbyname( $node );</td></tr>
+<tr><td class="h"><a name="939"></a>939</td><td></td><td></td><td></td><td></td><td class="s"> defined $canonname or return fake_makeerr( EAI_NONAME() );</td></tr>
+<tr><td class="h"><a name="940"></a>940</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="941"></a>941</td><td></td><td></td><td></td><td></td><td class="s"> undef $canonname unless $flag_canonname;</td></tr>
+<tr><td class="h"><a name="942"></a>942</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="943"></a>943</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
+<tr><td class="h"><a name="944"></a>944</td><td></td><td></td><td></td><td></td><td class="s"> $addrs[0] = $flag_passive ? Socket::inet_aton( "0.0.0.0" )</td></tr>
+<tr><td class="h"><a name="945"></a>945</td><td></td><td></td><td></td><td></td><td class="s"> : Socket::inet_aton( "127.0.0.1" );</td></tr>
+<tr><td class="h"><a name="946"></a>946</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="947"></a>947</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="948"></a>948</td><td></td><td></td><td></td><td></td><td class="s"> my @ports; # Actually ARRAYrefs of [ socktype, protocol, port ]</td></tr>
+<tr><td class="h"><a name="949"></a>949</td><td></td><td></td><td></td><td></td><td class="s"> my $protname = "";</td></tr>
+<tr><td class="h"><a name="950"></a>950</td><td></td><td></td><td></td><td></td><td class="s"> if( $protocol ) {</td></tr>
+<tr><td class="h"><a name="951"></a>951</td><td></td><td></td><td></td><td></td><td class="s"> $protname = getprotobynumber( $protocol );</td></tr>
+<tr><td class="h"><a name="952"></a>952</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="953"></a>953</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="954"></a>954</td><td></td><td></td><td></td><td></td><td class="s"> if( $service ne "" and $service !~ m/^\d+$/ ) {</td></tr>
+<tr><td class="h"><a name="955"></a>955</td><td></td><td></td><td></td><td></td><td class="s"> return fake_makeerr( EAI_NONAME() ) if( $flag_numericserv );</td></tr>
+<tr><td class="h"><a name="956"></a>956</td><td></td><td></td><td></td><td></td><td class="s"> getservbyname( $service, $protname ) or return fake_makeerr( EAI_SERVICE() );</td></tr>
+<tr><td class="h"><a name="957"></a>957</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="958"></a>958</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="959"></a>959</td><td></td><td></td><td></td><td></td><td class="s"> foreach my $this_socktype ( Socket::SOCK_STREAM(), Socket::SOCK_DGRAM(), Socket::SOCK_RAW() ) {</td></tr>
+<tr><td class="h"><a name="960"></a>960</td><td></td><td></td><td></td><td></td><td class="s"> next if $socktype and $this_socktype != $socktype;</td></tr>
+<tr><td class="h"><a name="961"></a>961</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="962"></a>962</td><td></td><td></td><td></td><td></td><td class="s"> my $this_protname = "raw";</td></tr>
+<tr><td class="h"><a name="963"></a>963</td><td></td><td></td><td></td><td></td><td class="s"> $this_socktype == Socket::SOCK_STREAM() and $this_protname = "tcp";</td></tr>
+<tr><td class="h"><a name="964"></a>964</td><td></td><td></td><td></td><td></td><td class="s"> $this_socktype == Socket::SOCK_DGRAM() and $this_protname = "udp";</td></tr>
+<tr><td class="h"><a name="965"></a>965</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="966"></a>966</td><td></td><td></td><td></td><td></td><td class="s"> next if $protname and $this_protname ne $protname;</td></tr>
+<tr><td class="h"><a name="967"></a>967</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="968"></a>968</td><td></td><td></td><td></td><td></td><td class="s"> my $port;</td></tr>
+<tr><td class="h"><a name="969"></a>969</td><td></td><td></td><td></td><td></td><td class="s"> if( $service ne "" ) {</td></tr>
+<tr><td class="h"><a name="970"></a>970</td><td></td><td></td><td></td><td></td><td class="s"> if( $service =~ m/^\d+$/ ) {</td></tr>
+<tr><td class="h"><a name="971"></a>971</td><td></td><td></td><td></td><td></td><td class="s"> $port = "$service";</td></tr>
+<tr><td class="h"><a name="972"></a>972</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="973"></a>973</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
+<tr><td class="h"><a name="974"></a>974</td><td></td><td></td><td></td><td></td><td class="s"> ( undef, undef, $port, $this_protname ) = getservbyname( $service, $this_protname );</td></tr>
+<tr><td class="h"><a name="975"></a>975</td><td></td><td></td><td></td><td></td><td class="s"> next unless defined $port;</td></tr>
+<tr><td class="h"><a name="976"></a>976</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="977"></a>977</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="978"></a>978</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
+<tr><td class="h"><a name="979"></a>979</td><td></td><td></td><td></td><td></td><td class="s"> $port = 0;</td></tr>
+<tr><td class="h"><a name="980"></a>980</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="981"></a>981</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="982"></a>982</td><td></td><td></td><td></td><td></td><td class="s"> push @ports, [ $this_socktype, scalar getprotobyname( $this_protname ) || 0, $port ];</td></tr>
+<tr><td class="h"><a name="983"></a>983</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="984"></a>984</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="985"></a>985</td><td></td><td></td><td></td><td></td><td class="s"> my @ret;</td></tr>
+<tr><td class="h"><a name="986"></a>986</td><td></td><td></td><td></td><td></td><td class="s"> foreach my $addr ( @addrs ) {</td></tr>
+<tr><td class="h"><a name="987"></a>987</td><td></td><td></td><td></td><td></td><td class="s"> foreach my $portspec ( @ports ) {</td></tr>
+<tr><td class="h"><a name="988"></a>988</td><td></td><td></td><td></td><td></td><td class="s"> my ( $socktype, $protocol, $port ) = @$portspec;</td></tr>
+<tr><td class="h"><a name="989"></a>989</td><td></td><td></td><td></td><td></td><td class="s"> push @ret, {</td></tr>
+<tr><td class="h"><a name="990"></a>990</td><td></td><td></td><td></td><td></td><td class="s"> family => $family,</td></tr>
+<tr><td class="h"><a name="991"></a>991</td><td></td><td></td><td></td><td></td><td class="s"> socktype => $socktype,</td></tr>
+<tr><td class="h"><a name="992"></a>992</td><td></td><td></td><td></td><td></td><td class="s"> protocol => $protocol,</td></tr>
+<tr><td class="h"><a name="993"></a>993</td><td></td><td></td><td></td><td></td><td class="s"> addr => Socket::pack_sockaddr_in( $port, $addr ),</td></tr>
+<tr><td class="h"><a name="994"></a>994</td><td></td><td></td><td></td><td></td><td class="s"> canonname => undef,</td></tr>
+<tr><td class="h"><a name="995"></a>995</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr>
+<tr><td class="h"><a name="996"></a>996</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="997"></a>997</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="998"></a>998</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="999"></a>999</td><td></td><td></td><td></td><td></td><td class="s"> # Only supply canonname for the first result</td></tr>
+<tr><td class="h"><a name="1000"></a>1000</td><td></td><td></td><td></td><td></td><td class="s"> if( defined $canonname ) {</td></tr>
+<tr><td class="h"><a name="1001"></a>1001</td><td></td><td></td><td></td><td></td><td class="s"> $ret[0]->{canonname} = $canonname;</td></tr>
+<tr><td class="h"><a name="1002"></a>1002</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="1003"></a>1003</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="1004"></a>1004</td><td></td><td></td><td></td><td></td><td class="s"> return ( fake_makeerr( 0 ), @ret );</td></tr>
+<tr><td class="h"><a name="1005"></a>1005</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="1006"></a>1006</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="1007"></a>1007</td><td></td><td></td><td></td><td></td><td class="s">sub fake_getnameinfo</td></tr>
+<tr><td class="h"><a name="1008"></a>1008</td><td></td><td></td><td></td><td></td><td class="s">{</td></tr>
+<tr><td class="h"><a name="1009"></a>1009</td><td></td><td></td><td></td><td></td><td class="s"> my ( $addr, $flags, $xflags ) = @_;</td></tr>
+<tr><td class="h"><a name="1010"></a>1010</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="1011"></a>1011</td><td></td><td></td><td></td><td></td><td class="s"> my ( $port, $inetaddr );</td></tr>
+<tr><td class="h"><a name="1012"></a>1012</td><td></td><td></td><td></td><td></td><td class="s"> eval { ( $port, $inetaddr ) = Socket::unpack_sockaddr_in( $addr ) }</td></tr>
+<tr><td class="h"><a name="1013"></a>1013</td><td></td><td></td><td></td><td></td><td class="s"> or return fake_makeerr( EAI_FAMILY() );</td></tr>
+<tr><td class="h"><a name="1014"></a>1014</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="1015"></a>1015</td><td></td><td></td><td></td><td></td><td class="s"> my $family = Socket::AF_INET();</td></tr>
+<tr><td class="h"><a name="1016"></a>1016</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="1017"></a>1017</td><td></td><td></td><td></td><td></td><td class="s"> $flags ||= 0;</td></tr>
+<tr><td class="h"><a name="1018"></a>1018</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="1019"></a>1019</td><td></td><td></td><td></td><td></td><td class="s"> my $flag_numerichost = $flags & NI_NUMERICHOST(); $flags &= ~NI_NUMERICHOST();</td></tr>
+<tr><td class="h"><a name="1020"></a>1020</td><td></td><td></td><td></td><td></td><td class="s"> my $flag_numericserv = $flags & NI_NUMERICSERV(); $flags &= ~NI_NUMERICSERV();</td></tr>
+<tr><td class="h"><a name="1021"></a>1021</td><td></td><td></td><td></td><td></td><td class="s"> my $flag_nofqdn = $flags & NI_NOFQDN(); $flags &= ~NI_NOFQDN();</td></tr>
+<tr><td class="h"><a name="1022"></a>1022</td><td></td><td></td><td></td><td></td><td class="s"> my $flag_namereqd = $flags & NI_NAMEREQD(); $flags &= ~NI_NAMEREQD();</td></tr>
+<tr><td class="h"><a name="1023"></a>1023</td><td></td><td></td><td></td><td></td><td class="s"> my $flag_dgram = $flags & NI_DGRAM() ; $flags &= ~NI_DGRAM();</td></tr>
+<tr><td class="h"><a name="1024"></a>1024</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="1025"></a>1025</td><td></td><td></td><td></td><td></td><td class="s"> $flags & (NI_IDN()|NI_IDN_ALLOW_UNASSIGNED()|NI_IDN_USE_STD3_ASCII_RULES()) and</td></tr>
+<tr><td class="h"><a name="1026"></a>1026</td><td></td><td></td><td></td><td></td><td class="s"> croak "Socket::getnameinfo() does not support IDN";</td></tr>
+<tr><td class="h"><a name="1027"></a>1027</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="1028"></a>1028</td><td></td><td></td><td></td><td></td><td class="s"> $flags == 0 or return fake_makeerr( EAI_BADFLAGS() );</td></tr>
+<tr><td class="h"><a name="1029"></a>1029</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="1030"></a>1030</td><td></td><td></td><td></td><td></td><td class="s"> $xflags ||= 0;</td></tr>
+<tr><td class="h"><a name="1031"></a>1031</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="1032"></a>1032</td><td></td><td></td><td></td><td></td><td class="s"> my $node;</td></tr>
+<tr><td class="h"><a name="1033"></a>1033</td><td></td><td></td><td></td><td></td><td class="s"> if( $xflags & NIx_NOHOST ) {</td></tr>
+<tr><td class="h"><a name="1034"></a>1034</td><td></td><td></td><td></td><td></td><td class="s"> $node = undef;</td></tr>
+<tr><td class="h"><a name="1035"></a>1035</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="1036"></a>1036</td><td></td><td></td><td></td><td></td><td class="s"> elsif( $flag_numerichost ) {</td></tr>
+<tr><td class="h"><a name="1037"></a>1037</td><td></td><td></td><td></td><td></td><td class="s"> $node = Socket::inet_ntoa( $inetaddr );</td></tr>
+<tr><td class="h"><a name="1038"></a>1038</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="1039"></a>1039</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
+<tr><td class="h"><a name="1040"></a>1040</td><td></td><td></td><td></td><td></td><td class="s"> $node = gethostbyaddr( $inetaddr, $family );</td></tr>
+<tr><td class="h"><a name="1041"></a>1041</td><td></td><td></td><td></td><td></td><td class="s"> if( !defined $node ) {</td></tr>
+<tr><td class="h"><a name="1042"></a>1042</td><td></td><td></td><td></td><td></td><td class="s"> return fake_makeerr( EAI_NONAME() ) if $flag_namereqd;</td></tr>
+<tr><td class="h"><a name="1043"></a>1043</td><td></td><td></td><td></td><td></td><td class="s"> $node = Socket::inet_ntoa( $inetaddr );</td></tr>
+<tr><td class="h"><a name="1044"></a>1044</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="1045"></a>1045</td><td></td><td></td><td></td><td></td><td class="s"> elsif( $flag_nofqdn ) {</td></tr>
+<tr><td class="h"><a name="1046"></a>1046</td><td></td><td></td><td></td><td></td><td class="s"> my ( $shortname ) = split m/\./, $node;</td></tr>
+<tr><td class="h"><a name="1047"></a>1047</td><td></td><td></td><td></td><td></td><td class="s"> my ( $fqdn ) = gethostbyname $shortname;</td></tr>
+<tr><td class="h"><a name="1048"></a>1048</td><td></td><td></td><td></td><td></td><td class="s"> $node = $shortname if defined $fqdn and $fqdn eq $node;</td></tr>
+<tr><td class="h"><a name="1049"></a>1049</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="1050"></a>1050</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="1051"></a>1051</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="1052"></a>1052</td><td></td><td></td><td></td><td></td><td class="s"> my $service;</td></tr>
+<tr><td class="h"><a name="1053"></a>1053</td><td></td><td></td><td></td><td></td><td class="s"> if( $xflags & NIx_NOSERV ) {</td></tr>
+<tr><td class="h"><a name="1054"></a>1054</td><td></td><td></td><td></td><td></td><td class="s"> $service = undef;</td></tr>
+<tr><td class="h"><a name="1055"></a>1055</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="1056"></a>1056</td><td></td><td></td><td></td><td></td><td class="s"> elsif( $flag_numericserv ) {</td></tr>
+<tr><td class="h"><a name="1057"></a>1057</td><td></td><td></td><td></td><td></td><td class="s"> $service = "$port";</td></tr>
+<tr><td class="h"><a name="1058"></a>1058</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="1059"></a>1059</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
+<tr><td class="h"><a name="1060"></a>1060</td><td></td><td></td><td></td><td></td><td class="s"> my $protname = $flag_dgram ? "udp" : "";</td></tr>
+<tr><td class="h"><a name="1061"></a>1061</td><td></td><td></td><td></td><td></td><td class="s"> $service = getservbyport( $port, $protname );</td></tr>
+<tr><td class="h"><a name="1062"></a>1062</td><td></td><td></td><td></td><td></td><td class="s"> if( !defined $service ) {</td></tr>
+<tr><td class="h"><a name="1063"></a>1063</td><td></td><td></td><td></td><td></td><td class="s"> $service = "$port";</td></tr>
+<tr><td class="h"><a name="1064"></a>1064</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="1065"></a>1065</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="1066"></a>1066</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="1067"></a>1067</td><td></td><td></td><td></td><td></td><td class="s"> return ( fake_makeerr( 0 ), $node, $service );</td></tr>
+<tr><td class="h"><a name="1068"></a>1068</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="1069"></a>1069</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="1070"></a>1070</td><td class="c3">1</td><td class="c0"><span title="Avg 248µs">248µs</span></td><td></td><td></td><td class="s">1;</td></tr>
+<tr><td class="s"><a name=""></a> </td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="Socket__CORE_match"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 22µs within Socket::CORE:match which was called 79 times, avg 282ns/call:
+# 79 times (22µs+0s) by IO::Socket::BEGIN@12 at <a href="Socket-pm-485-block.html#751">line 751</a>, avg 282ns/call</div></div>sub Socket::CORE:match; # opcode<br /> </td></tr>
+<tr><td class="h"><a name="Socket__CORE_qr"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 7µs within Socket::CORE:qr which was called 2 times, avg 4µs/call:
+# once (6µs+0s) by IO::Socket::BEGIN@12 at <a href="Socket-pm-485-block.html#888">line 888</a>
+# once (1µs+0s) by IO::Socket::BEGIN@12 at <a href="Socket-pm-485-block.html#889">line 889</a></div></div>sub Socket::CORE:qr; # opcode<br /> </td></tr>
+<tr><td class="h"><a name="Socket__CORE_regcomp"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 44µs within Socket::CORE:regcomp which was called:
+# once (44µs+0s) by IO::Socket::BEGIN@12 at <a href="Socket-pm-485-block.html#889">line 889</a></div></div>sub Socket::CORE:regcomp; # opcode<br /> </td></tr>
+</tbody></table></div>
+
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+ <div class="footer">Report produced by the
+ <a href="http://search.cpan.org/dist/Devel-NYTProf/">NYTProf 4.06</a>
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+ <a href="http://www.linkedin.com/in/timbunce">Tim Bunce</a> and
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