36.6 Process, Group, and User IDs

pgid = getpgrp ()

Return the process group id of the current process.

pid = getpid ()

Return the process id of the current process.

See also: getppid.

pid = getppid ()

Return the process id of the parent process.

See also: getpid.

euid = geteuid ()

Return the effective user id of the current process.

See also: getuid.

uid = getuid ()

Return the real user id of the current process.

See also: geteuid.

egid = getegid ()

Return the effective group id of the current process.

See also: getgid.

gid = getgid ()

Return the real group id of the current process.

See also: getegid.