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getresuid32
Langue: en
Version: 2007-12-28 (ubuntu - 24/10/10)
Section: 2 (Appels système)
NAME
getresuid, getresgid - get real, effective and saved user/group IDsSYNOPSIS
#define _GNU_SOURCE#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() returns the real UID, the effective UID, and the saved set-user-ID of the calling process, in the arguments ruid, euid, and suid, respectively. getresgid() performs the analogous task for the process's group IDs.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.
VERSIONS
These system calls appeared on Linux starting with kernel 2.1.44.The prototypes are given by glibc since version 2.3.2, provided _GNU_SOURCE is defined.
CONFORMING TO
These calls are nonstandard; they also appear on HP-UX and some of the BSDs.SEE ALSO
getuid(2), setresuid(2), setreuid(2), setuid(2), credentials(7), feature_test_macros(7)COLOPHON
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