GETUID(2) — SYSTEM CALLS
NAME
getuid, geteuid − get user identity
SYNOPSIS
getuid()
geteuid()
DESCRIPTION
getuid() returns the real user ID of the current process, geteuid() the effective user ID.
The real user ID identifies the person who is logged in. The effective user ID gives the process additional permissions during execution of “set-user-ID” mode processes, which use getuid() to determine the real-user-id of the process that invoked them.
SEE ALSO
Sun Release 4.0 — Last change: 22 March 1989