--- comparing.c.orig	1999-01-28 08:11:03.000000000 +0100
+++ comparing.c	2010-09-18 05:52:24.000000000 +0200
@@ -4,6 +4,7 @@
 
    */
 
+#include <string.h> /* strcmp(), memcmp() */
 #include "proplistP.h"
 
 /* forward prototype */