#define _COMMON_H
#define NULL ((void*)0)
-#define PACKED __attribute__ ((packed))
+#define PACKED __attribute__((packed))
+#define UNUSED(x) UNUSED_##x __attribute__((unused))
#define offsetof(st, m) ((Uint)((char *)&((st *)(0))->m - (char *)0 ))
//#include <stdint.h>