$NetBSD: patch-bn,v 1.1 2008/08/31 06:52:29 dholland Exp $

--- server/cx.c.orig	1997-10-03 16:45:33.000000000 -0400
+++ server/cx.c	2008-08-31 01:27:59.000000000 -0400
@@ -30,6 +30,7 @@
 *	server i/o dialog.						*
 *									*
 ************************************************************************/
+#include <stdlib.h>
 #include "xmx.h"
 #include "df.h"
 #include "cx.h"
@@ -113,8 +114,12 @@ new_cx
       cxp = cxfree;
       cxfree = cxfree->next;
    }
-   else if (MALLOC(cxp, cx_t *, sizeof(cx_t)))
-      return (cx_t *)err(0, "malloc returned zero");
+   else if (MALLOC(cxp, cx_t *, sizeof(cx_t))) {
+      /* this err returns its first argument */
+      /*return (cx_t *)err(0, "malloc returned zero");*/
+      err(0, "malloc returned zero");
+      return NULL;
+   }
 
    return cxp;
 }