hpux man page for getresgid

getresuid(3)						     Library Functions Manual						      getresuid(3)

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

SYNOPSIS
DESCRIPTION
       and return the real, effective, and saved user or group ID's of the current process.

RETURN VALUE
       On error, the return is -1, and is set appropriately.  On success the return is 0.

ERRORS
	      [EFAULT]	  One of the arguments specified an address outside the calling programs address space.

SEE ALSO
       getuid(2).

																      getresuid(3)