--- lrzsz-0.12.20.orig/src/tcp.c	1998-12-28 11:41:38.000000000 +0100
+++ lrzsz-0.12.20/src/tcp.c	2026-05-12 20:50:34.361582055 +0200
@@ -33,6 +33,7 @@
 #include <ctype.h>
 #include <stdio.h>
 #include <signal.h>
+#include <string.h>
 
 #include "zglobal.h"
 #include <stdlib.h>
