STD/PE getpid
STD/PE getppid
STD/PE getuid
STD/PE geteuid
STD/PE getgid
STD/PE getegid
STD/PE setuid
STD/PE setgid
STD/PE getgroups
STD/PE getlogin
STD/PE getpgrp
STD/PE setsid
STD/PE setpgid
STD/PE uname
STD/PE time
STD/PE times
STD/PE getenv
STD/PE ctermid
STD/PE ttyname
STD/PE isatty
STD/PE sysconf
