$NetBSD$

--- ctlwords.c.orig	1999-02-15 08:02:25.000000000 +0900
+++ ctlwords.c
@@ -24,7 +24,10 @@ BEGIN {
 
 #include <stdio.h>
 #include <string.h>
+#include <ctype.h>
+#include <stdlib.h>
 
+int
 main(int argc, char *argv[])
 {
 	char buf[1024];
