getresuid - phpMan

GETRESUID(2)               Linux Programmer’s Manual              GETRESUID(2)



NAME
       getresuid, getresgid - get real, effective and saved user or group ID

SYNOPSIS
       #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  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 appropri-
       ately.

ERRORS
       EFAULT One  of  the  arguments  specified  an address outside the calling program’s
              address space.

CONFORMING TO
       This call is Linux-specific.  The prototype is given by glibc since  version  2.3.2
       provided _GNU_SOURCE is defined.

SEE ALSO
       getuid(2), setuid(2), setreuid(2), setresuid(2)



Linux 2.4                         2003-05-26                      GETRESUID(2)

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