1570af302Sopenharmony_ci#ifndef _STDDEF_H 2570af302Sopenharmony_ci#define _STDDEF_H 3570af302Sopenharmony_ci 4570af302Sopenharmony_ci#ifdef __cplusplus 5570af302Sopenharmony_ci#define NULL 0L 6570af302Sopenharmony_ci#else 7570af302Sopenharmony_ci#define NULL ((void*)0) 8570af302Sopenharmony_ci#endif 9570af302Sopenharmony_ci 10570af302Sopenharmony_ci#define __NEED_ptrdiff_t 11570af302Sopenharmony_ci#define __NEED_size_t 12570af302Sopenharmony_ci#define __NEED_wchar_t 13570af302Sopenharmony_ci#if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L 14570af302Sopenharmony_ci#define __NEED_max_align_t 15570af302Sopenharmony_ci#endif 16570af302Sopenharmony_ci 17570af302Sopenharmony_ci#include <bits/alltypes.h> 18570af302Sopenharmony_ci 19570af302Sopenharmony_ci#if __GNUC__ > 3 20570af302Sopenharmony_ci#define offsetof(type, member) __builtin_offsetof(type, member) 21570af302Sopenharmony_ci#else 22570af302Sopenharmony_ci#define offsetof(type, member) ((size_t)( (char *)&(((type *)0)->member) - (char *)0 )) 23570af302Sopenharmony_ci#endif 24570af302Sopenharmony_ci 25570af302Sopenharmony_ci#endif 26