1#ifndef _STDDEF_H
2#define _STDDEF_H
3
4#ifdef __cplusplus
5#define NULL 0L
6#else
7#define NULL ((void*)0)
8#endif
9
10#define __NEED_ptrdiff_t
11#define __NEED_size_t
12#define __NEED_wchar_t
13#if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L
14#define __NEED_max_align_t
15#endif
16
17#include <bits/alltypes.h>
18
19#if __GNUC__ > 3
20#define offsetof(type, member) __builtin_offsetof(type, member)
21#else
22#define offsetof(type, member) ((size_t)( (char *)&(((type *)0)->member) - (char *)0 ))
23#endif
24
25#endif
26