$NetBSD: patch-ab,v 1.2 2012/12/25 21:09:52 joerg Exp $

--- svs.c.orig	2012-12-25 13:53:19.000000000 +0000
+++ svs.c
@@ -38,6 +38,7 @@
  *
  */
 
+#include	<stdlib.h>
 #include	<stdio.h>
 #include	<X11/Xos.h>
 #include 	<sys/types.h>
@@ -47,9 +48,8 @@
 #include	<X11/Xutil.h>
 #include	<math.h>
 
-extern char *getenv();
+void add_score(int sc, int ledge);
 
-extern int  errno;
 char       *progname;
 char        user_name[40];
 Bool        debug = False;
@@ -423,9 +423,8 @@ init_display(ac, av, dname)
     XMapWindow(dpy, game_win);
 }
 
-main(argc, argv)
-    int         argc;
-    char      **argv;
+int
+main(int argc, char **argv)
 {
     int         i;
     char       *dname = NULL;