setpriority, getpriority, setregid, setgid, setreuid, setuid, setresuid, getresuid, setresgid, getresgid, setfsuid, setfsgid, getpid, gettid, getppid, getuid, geteuid, getgid, getegid, times, setpgid, getpgid, getpgrp, getsid, setsid, newuname, uname, olduname, sethostname, gethostname, setdomainname, getrlimit, old_getrlimit, prlimit64, setrlimit, getrusage, umask, prctl, getcpu, sysinfo.