#ifndef _LINUX_STDDEF_H
#define _LINUX_STDDEF_H
+#include <linux/compiler.h>
+
#undef NULL
#if defined(__cplusplus)
#define NULL 0
#endif
#undef offsetof
+#ifdef __compiler_offsetof
+#define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
+#else
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#endif
#endif