NAME
getresuid, getresgid - get real, effective and saved user or group ID
SYNOPSIS
#define _GNU_SOURCE
#include <unistd.h>
I int getresuid(uid_t * ruid , uid_t * euid , uid_t * suid );
I int getresgid(gid_t * rgid , gid_t * egid , gid_t * sgid );
DESCRIPTION
R getresuid ()
and
R getresgid ()
(both introduced in Linux 2.1.44)
get the real UID, effective UID, and saved set-user-ID (resp. group ID's)
of the current process.
RETURN VALUE
On success, zero is returned.
On error, -1 is returned, and
errno
is set appropriately.
ERRORS
EFAULT
One of the arguments specified an address outside the calling program's
address space.
CONFORMING TO
These calls are non-standard;
they also appear on HP-UX and some of the BSDs.
The prototype is given by glibc since version 2.3.2
provided
_GNU_SOURCE
is defined.
SEE ALSO
ČLÁNKY DO MAILU