1#ifndef _LINUX_STDDEF_H 2#define _LINUX_STDDEF_H 3 4#undef NULL 5#if defined(__cplusplus) 6#define NULL 0 7#else 8#define NULL ((void *)0) 9#endif 10 11#undef offsetof 12#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) 13 14#endif 15
