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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 process.

ERRORS
       These functions are always successful.

CONFORMING TO
       POSIX.1-2001, 4.3BSD.

HISTORY
       In  Unix	 V6  the  getuid()  call  returned (euid << 8) + uid.  Unix V7
       introduced separate calls getuid() and geteuid().

SEE ALSO
       setreuid(2), setuid(2)

Linux 0.99.11			  1993-07-23			     GETUID(2)