This patch can be applied to /usr/include/rpcsvc/rusers.x to fix some 
compile warnings. Hopefully it will have been integrated into the most recent 
libcs.

*** rusers.x	Sun Aug  4 18:11:42 1996
--- rusers.x.orig	Thu Aug 24 23:35:56 1995
***************
*** 166,170 ****
  %{
  %	if (!xdr_reference(xdrs, (char **) objpp, sizeof (struct ru_utmp), 
! %			   (xdrproc_t) xdr_utmp)) {
  %		return (FALSE);
  %	}
--- 166,170 ----
  %{
  %	if (!xdr_reference(xdrs, (char **) objpp, sizeof (struct ru_utmp), 
! %			   xdr_utmp)) {
  %		return (FALSE);
  %	}
***************
*** 178,183 ****
  %{
  %	if (!xdr_array(xdrs, (char **)&objp->uta_arr, (u_int *)&objp->uta_cnt,
! %		       MAXUSERS, sizeof(struct ru_utmp *), 
! %		       (xdrproc_t) xdr_utmpptr)) {
  %		return (FALSE);
  %	}
--- 178,182 ----
  %{
  %	if (!xdr_array(xdrs, (char **)&objp->uta_arr, (u_int *)&objp->uta_cnt,
! %		       MAXUSERS, sizeof(struct ru_utmp *), xdr_utmpptr)) {
  %		return (FALSE);
  %	}
***************
*** 205,209 ****
  %{
  %	if (!xdr_reference(xdrs, (char **) objpp, sizeof (struct utmpidle), 
! %			   (xdrproc_t) xdr_utmpidle)) {
  %		return (FALSE);
  %	}
--- 204,208 ----
  %{
  %	if (!xdr_reference(xdrs, (char **) objpp, sizeof (struct utmpidle), 
! %			   xdr_utmpidle)) {
  %		return (FALSE);
  %	}
***************
*** 217,222 ****
  %{
  %	if (!xdr_array(xdrs, (char **)&objp->uia_arr, (u_int *)&objp->uia_cnt,
! %		       MAXUSERS, sizeof(struct utmpidle *), 
! %		       (xdrproc_t) xdr_utmpidleptr)) {
  %		return (FALSE);
  %	}
--- 216,220 ----
  %{
  %	if (!xdr_array(xdrs, (char **)&objp->uia_arr, (u_int *)&objp->uia_cnt,
! %		       MAXUSERS, sizeof(struct utmpidle *), xdr_utmpidleptr)) {
  %		return (FALSE);
  %	}