GETUID(2)           Linux Programmer's Manual           GETUID(2)

NAME
       getuid, geteuid - get user identity

SYNOPSIS
       #include <unistd.h>
       #include <sys/types.h>

       uid_t getuid(void);
       uid_t geteuid(void);

DESCRIPTION
       getuid returns the real user ID of the current process.

       geteuid  returns the effective user ID of the current pro-
       cess.

       The real ID corresponds to the ID of the calling  process.
       The effective ID corresponds to the set ID bit on the file
       being executed.

ERRORS
       These functions are always successful.

CONFORMING TO
       POSIX, BSD 4.3.

SEE ALSO
       setreuid(2), setuid(2)

Linux 0.99.11              23 July 1993                         1