$NetBSD: patch-cb,v 1.4 2017/05/07 06:49:23 tsutsui Exp $

- use standard headers
- don't declare own errno

--- src/dispnew.c.orig	1995-02-03 01:21:28.000000000 +0000
+++ src/dispnew.c
@@ -59,6 +59,8 @@ the Free Software Foundation, 675 Mass A
 
 #include <stdio.h>
 #include <ctype.h>
+#include <stdlib.h>
+#include <unistd.h>
 
 #include "lisp.h"
 #include "termchar.h"
@@ -71,6 +73,7 @@ the Free Software Foundation, 675 Mass A
 #include "dispextern.h"
 #endif
 #include "buffer.h"
+#include "process.h"
 #include "frame.h"
 #include "window.h"
 #include "commands.h"
@@ -2047,7 +2050,6 @@ SIGTYPE
 window_change_signal ()
 {
   int width, height;
-  extern int errno;
   int old_errno = errno;
 
   get_frame_size (&width, &height);
@@ -2111,9 +2113,7 @@ do_pending_window_change ()
    redisplay.  Since this tries to resize windows, we can't call it
    from a signal handler.  */
 
-change_frame_size (frame, newheight, newwidth, pretend, delay)
-     register FRAME_PTR frame;
-     int newheight, newwidth, pretend;
+void change_frame_size (FRAME_PTR frame, int newheight, int newwidth, int pretend, int delay)
 {
   /* If we can't deal with the change now, queue it for later.  */
   if (delay)
@@ -2451,7 +2451,7 @@ char *terminal_type;
 /* Then invoke its decoding routine to set up variables
   in the terminal package */
 
-init_display ()
+void init_display (void)
 {
 #ifdef HAVE_X_WINDOWS
   extern int display_arg;