$NetBSD: patch-ac,v 1.4 2012/10/20 22:14:05 joerg Exp $

--- buffer.c.orig	1994-10-04 16:44:53.000000000 +0000
+++ buffer.c
@@ -103,4 +103,6 @@
  * 
  */
+#include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 #include <stdio.h>
@@ -118,6 +120,4 @@ static char *rcsid = "$Header: /a/swan/h
 #endif
 
-extern char *shmat();
-
 /* General macros */
 #define TRUE 1
@@ -385,4 +385,5 @@ parse_args( argc, argv )
 
 /* The interrupt handler */
+void
 shutdown()
 {
@@ -401,4 +402,5 @@ shutdown()
 
 /* Shutdown because the child has ended */
+void
 child_shutdown()
 {
@@ -461,5 +463,5 @@ buffer_allocate()
 
 	if( debug )
-		fprintf( stderr, "%s pbuffer is 0x%08x, buffer_size is %d [%d x %d]\n",
+		fprintf( stderr, "%s pbuffer is %p, buffer_size is %d [%d x %d]\n",
 			proc_string,
 			(char *)pbuffer, buffer_size, blocks, blocksize );
@@ -489,5 +491,5 @@ buffer_allocate()
 }
 
-buffer_remove()
+void buffer_remove(void)
 {
 	static char removing = FALSE;
@@ -728,5 +730,5 @@ write_block_to_stdout()
 	if( next_k == 0 && showevery ){
 		if( debug > 3 )
-			fprintf( stderr, "W: next_k = %lu showevery = %lu\n", next_k, showevery );
+			fprintf( stderr, "W: next_k = %lu showevery = %d\n", next_k, showevery );
 		showevery = showevery / 1024;
 		next_k = showevery;