--- libs-external/USI++/usi++/tcp.h.orig	2005-07-27 03:38:14.000000000 -0500
+++ libs-external/USI++/usi++/tcp.h	2014-11-05 00:32:40.000000000 -0600
@@ -15,6 +15,7 @@
 #include "usi-structs.h"
 #include "datalink.h"
 #include "ip.h"
+#include <cstring>
 
 namespace usipp {