--- lrzsz-0.12.20.orig/src/zreadline.c	1998-12-24 00:57:32.000000000 +0100
+++ lrzsz-0.12.20/src/zreadline.c	2026-05-12 20:50:34.361582055 +0200
@@ -27,6 +27,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include <signal.h>
 #include <ctype.h>
 #include <errno.h>
