1$sizeof{'char'} = 1; 2$sizeof{'int'} = 4; 3$sizeof{'long'} = 4; 4$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; 15