$NetBSD: patch-an,v 1.3 2012/12/25 21:10:56 joerg Exp $

--- def.h.orig	1988-07-03 17:50:05.000000000 +0000
+++ def.h
@@ -288,7 +288,7 @@ extern	WINDOW	*popbuf();
 extern	WINDOW	*wpopup();
 extern	LINE	*lalloc();
 extern	LINE	*lallocx();
-extern	VOID	ewprintf();
+extern	VOID	ewprintf(char *, ...);
 extern	int	nrow;
 extern	int	ncol;
 extern	int	ttrow;
@@ -306,6 +306,7 @@ extern	VOID	lchange();
 /*
  * Standard I/O.
  */
-extern	char	*strcpy();
-extern	char	*strcat();
-extern	char	*malloc();
+void ttinsl(int, int, int);
+void ttdell(int, int, int);
+
+#include <string.h>