$NetBSD: patch-ce,v 1.3 2013/04/21 15:39:59 joerg Exp $

- use standard headers
- don't declare own errno

--- src/sysdep.c.orig	1995-06-10 03:07:04.000000000 +0000
+++ src/sysdep.c
@@ -20,6 +20,9 @@ the Free Software Foundation, 675 Mass A
 
 #include <signal.h>
 #include <setjmp.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
 
 #include <config.h>
 #include "lisp.h"
@@ -75,8 +78,6 @@ extern int h_errno;
 #include <sys/param.h>
 #endif
 
-extern int errno;
-
 #ifdef VMS
 #include <rms.h>
 #include <ttdef.h>
@@ -204,7 +205,7 @@ change_input_fd (fd)
 
 /* Discard pending input on descriptor input_fd.  */
 
-discard_tty_input ()
+void discard_tty_input (void)
 {
   struct emacs_tty buf;
 
@@ -1096,7 +1097,7 @@ static struct ltchars new_ltchars = {-1,
   static struct tchars new_tchars = {-1,-1,-1,-1,-1,-1};
 #endif 
 
-init_sys_modes ()
+void init_sys_modes(void)
 {
   struct emacs_tty tty;
 
@@ -1515,7 +1516,7 @@ set_window_size (fd, height, width)
 
 /* Prepare the terminal for exiting Emacs; move the cursor to the
    bottom of the frame, turn off interrupt-driven I/O, etc.  */
-reset_sys_modes ()
+void reset_sys_modes(void)
 {
   if (noninteractive)
     {