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-<a name="3659">
-<center><h1>4 Developing FastCGI <br>Applications in Tcl</h1></center>
-</a><a name="4835"></a>
-This chapter explains how to code FastCGI applications in Tcl. Prior to creating a FastCGI application, you must have a FastCGI-savvy version of the Tcl interpreter. Open Market develops Tcl binaries for popular platforms and makes them available with our developer's kit. <p>
-<a name="4943"></a>
-The FastCGI-savvy binaries are extensions of standard Tcl, and are intended to replace your existing Tcl installation. There is no need to maintain two versions of Tcl: the version that we supply will work fine when invoked from a shell or a CGI program. There are also directions in the developer's kit for how to make your own FastCGI-savvy Tcl, if you need a version for some platform that we don't supply.<p>
-<a name="4221"></a>
-In many cases, you can convert a Tcl script from CGI to FastCGI by adding a few lines of code to an existing script. For more complex scripts, you may also need to rearrange some existing code. <p>
-<a name="4222">
-<h1> Getting Started</h1>
-</a><a name="4223"></a>
-The first line of any Tcl script typically specifies the pathname of the Tcl interpreter itself. You must specify the pathname of a FastCGI-savvy Tcl. <p>
-<a name="4226"></a>
-Then, you have to divide FastCGI scripts into the following two sections:<p>
-<ul><a name="4227"></a>
-<li>Initialization section, which is executed only once.
-<a name="4228"></a>
-<li>Response loop section, which gets executed every time the FastCGI script gets called.
-</ul><a name="4229"></a>
-A response loop typically has the following format:<p>
-<pre><a name="4923">
-while {[FCGI_Accept] >= 0 } {
-</a>
-<a name="4925">
-# body of response loop
-</a>
-<a name="4367">
-}
-</a>
-</pre><a name="4233"></a>
-The <code>FCGI_Accept</code> call returns 0 whenever a client requests the FastCGI script. Otherwise, the <code>FCGI_Accept</code> call returns -1. <p>
-<a name="4853">
-<h1> Example: TinyFastCGI</h1>
-</a><a name="4343"></a>
-Here is a simple example of a FastCGI application written in Tcl:<p>
-<pre><a name="4344"></a>
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN">
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+ FastCGI Programmer's Guide - Chapter 4, Developing FastCGI Applications in Tcl
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+ <HR>
+ <BR>
+ <A NAME="3659"></A>
+ <DIV CLASS="c1">
+ <H1>
+ 4 Developing FastCGI<BR>
+ Applications in Tcl
+ </H1>
+ </DIV>
+ <A NAME="4835"></A>
+ <P>
+ This chapter explains how to code FastCGI applications in Tcl. Prior to creating a FastCGI application, you
+ must have a FastCGI-savvy version of the Tcl interpreter. Open Market develops Tcl binaries for popular
+ platforms and makes them available with our developer's kit.
+ </P>
+ <P>
+ <A NAME="4943"></A> The FastCGI-savvy binaries are extensions of standard Tcl, and are intended to replace
+ your existing Tcl installation. There is no need to maintain two versions of Tcl: the version that we supply
+ will work fine when invoked from a shell or a CGI program. There are also directions in the developer's
+ kit for how to make your own FastCGI-savvy Tcl, if you need a version for some platform that we don't
+ supply.
+ </P>
+ <P>
+ <A NAME="4221"></A> In many cases, you can convert a Tcl script from CGI to FastCGI by adding a few lines of
+ code to an existing script. For more complex scripts, you may also need to rearrange some existing code.
+ </P>
+ <BR>
+ <BR>
+ <H1>
+ Getting Started
+ </H1>
+ <A NAME="4223"></A>
+ <P>
+ The first line of any Tcl script typically specifies the pathname of the Tcl interpreter itself. You must
+ specify the pathname of a FastCGI-savvy Tcl.
+ </P>
+ <P>
+ <A NAME="4226"></A> Then, you have to divide FastCGI scripts into the following two sections:
+ </P>
+ <BR>
+ <BR>
+ <UL>
+ <LI CLASS="c2">
+ <A NAME="4227"></A>
+ </LI>
+ <LI>
+ Initialization section, which is executed only once. <A NAME="4228"></A>
+ </LI>
+ <LI>
+ Response loop section, which gets executed every time the FastCGI script gets called.
+ </LI>
+ </UL>
+ <A NAME="4229"></A>
+ <P>
+ A response loop typically has the following format:
+ </P>
+ <BR>
+ <BR>
+<PRE>
+<A NAME="4923">while {[FCGI_Accept] >= 0 } {
+</A>
+<A NAME="4925"># body of response loop
+</A>
+<A NAME="4367">}
+</A>
+</PRE>
+ <A NAME="4233"></A>
+ <P>
+ The <CODE>FCGI_Accept</CODE> call returns 0 whenever a client requests the FastCGI script. Otherwise, the
+ <CODE>FCGI_Accept</CODE> call returns -1.
+ </P>
+ <BR>
+ <BR>
+ <H1>
+ Example: TinyFastCGI
+ </H1>
+ <A NAME="4343"></A>
+ <P>
+ Here is a simple example of a FastCGI application written in Tcl:
+ </P>
+ <BR>
+ <BR>
+<PRE>
+<A NAME="4344"></A>
#!fcgi-savvy-tcl
set count 0
# Response Loop
while {[FCGI_Accept] >= 0 } {
incr count
- puts -nonewline "Content-type: text/html\r\n\r\n"
- puts "<title>FastCGI Hello! (Tcl)</title>"
- puts "<h1>FastCGI Hello! (Tcl)</h1>"
- puts "Request number $count running on host <i>$env(SERVER_NAME)</i>"
+ puts -nonewline "Content-type: text/html\r\n\r\n"
+ puts "<title>FastCGI Hello! (Tcl)</title>"
+ puts "<h1>FastCGI Hello! (Tcl)</h1>"
+ puts "Request number $count running on host <i>$env(SERVER_NAME)</i>"
}
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