4 $sizeof{'struct arpreq'} = 36;
5 $sizeof{'struct ifconf'} = 8;
6 $sizeof{'struct ifreq'} = 32;
7 $sizeof{'struct ltchars'} = 6;
8 $sizeof{'struct pcntl'} = 116;
9 $sizeof{'struct rtentry'} = 52;
10 $sizeof{'struct sgttyb'} = 6;
11 $sizeof{'struct tchars'} = 6;
12 $sizeof{'struct ttychars'} = 14;
13 $sizeof{'struct winsize'} = 8;
14 $sizeof{'struct termios'} = 132;