--- tcpdutil.c.orig	Tue Mar 18 19:13:48 2003
+++ tcpdutil.c	Tue Mar 18 19:14:22 2003
@@ -32,6 +32,7 @@ static char rcsid[] =
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <fcntl.h>
 
 #include <pcap.h>