$OpenBSD: patch-libs-external_USI++_usi++_tcp_h,v 1.1 2018/12/17 18:44:18 jca Exp $
usi++/tcp.h:175:47: 'memset' was not declared in this scope with ports-gcc
Index: libs-external/USI++/usi++/tcp.h
--- libs-external/USI++/usi++/tcp.h.orig
+++ libs-external/USI++/usi++/tcp.h
@@ -12,6 +12,7 @@
 #ifndef _TCP_H_
 #define _TCP_H_
 
+#include <string.h>
 #include "usi-structs.h"
 #include "datalink.h"
 #include "ip.h"
