GETRESUID (2)
get real, effective and saved user or group ID
SYNOPSIS
#include <unistd.h>
int getresuid(uid_t * ruid , uid_t * euid , uid_t * suid );
int getresgid(gid_t * rgid , gid_t * egid , gid_t * sgid );
DESCRIPTION
getresuid
and
getresgid
(both introduced in Linux 2.1.44)
get the real, effective and saved user ID's (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
This call is Linux-specific.
SEE ALSO
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