$NetBSD: patch-ad,v 1.1 2001/05/03 18:37:49 fredb Exp $

--- data.h.orig	Wed Feb 24 05:04:50 1999
+++ data.h
@@ -24,6 +24,8 @@
  * SOFTWARE.
  */
 
+#include <sys/types.h>
+
 extern XPoint VTbox[];
 extern XPoint hVTbox[];
 extern Char *bptr;
@@ -34,7 +36,7 @@
 extern char *ttydev;
 extern char *xterm_name;
 extern Char buffer[];
-#if defined(linux) || defined(SVR4)||(defined(hpux)&&OSMAJORVERSION>=10)
+#ifndef VMS
 extern fd_set Select_mask;
 #else
 extern int Select_mask;