GETRESUID

Section: Linux Programmer's Manual (2)
Updated: 16 July 1997
 

NAME

getresuid, getresgid - 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

getuid(2), setuid(2), getreuid(2), setreuid(2), setresuid(2)