diff -rNu buffer-1.19.orig/buffer.c buffer-1.19/buffer.c
--- buffer-1.19.orig/buffer.c	2000-01-04 03:46:11.000000000 +0100
+++ buffer-1.19/buffer.c	2008-06-11 00:50:47.000000000 +0200
@@ -114,6 +114,8 @@
  */
 #include <unistd.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <signal.h>
 #include <fcntl.h>
 #include <errno.h>
@@ -512,7 +514,7 @@
 	if( debug )
 		fprintf( stderr, "%s pbuffer is 0x%08x, buffer_size is %d [%d x %d]\n",
 			proc_string,
-			(char *)pbuffer, buffer_size, blocks, blocksize );
+			(unsigned int)pbuffer, buffer_size, blocks, blocksize );
 
 #ifdef SYS5
 	memset( (char *)pbuffer, '\0', buffer_size );