getresgid (2)

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  pro-
       cess.

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), setreuid(2), setresuid(2)

Linux 2.1.44                      1997-07-16                      getresuid(2)