geteuid32 man page on ElementaryOS

geteuid32 man page on ElementaryOS

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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 calling process.

       geteuid() returns the effective user ID of the calling process.

ERRORS
       These functions are always successful.

CONFORMING TO
       POSIX.1-2001, 4.3BSD.

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

       The original Linux getuid() and geteuid() system calls  supported  only
       16-bit	user  IDs.   Subsequently,  Linux  2.4	added  getuid32()  and
       geteuid32(), supporting 32-bit IDs.  The glibc getuid()	and  geteuid()
       wrapper	functions transparently deal with the variations across kernel
       versions.

SEE ALSO
       getresuid(2), setreuid(2), setuid(2), credentials(7)

COLOPHON
       This page is part of release 3.54 of the Linux  man-pages  project.   A
       description  of	the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

Linux				  2010-11-22			     GETUID(2)

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