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)