--- libHX-2.2/src/defs.h~	2009-04-21 12:21:14.000000000 +0300
+++ libHX-2.2/src/defs.h	2009-04-21 12:22:39.924235667 +0300
@@ -1,6 +1,8 @@
 #ifndef _LIBHX_DEFS_H
 #define _LIBHX_DEFS_H 1
 
+#include <stddef.h>
+
 #ifdef __cplusplus
 #	if defined(__GNUC__) && !defined(offsetof)
 #		define offsetof(type, member) __builtin_offsetof(type, member)