#ifndef _STDDEF_H #define _STDDEF_H typedef __SIZE_TYPE__ size_t; typedef __PTRDIFF_TYPE__ ssize_t; typedef __WCHAR_TYPE__ wchar_t; typedef __PTRDIFF_TYPE__ ptrdiff_t; typedef __PTRDIFF_TYPE__ intptr_t; typedef __SIZE_TYPE__ uintptr_t; typedef union { long long __ll; long double __ld; } max_align_t; #ifndef __int8_t_defined #define __int8_t_defined typedef signed char int8_t; typedef signed short int int16_t; typedef signed int int32_t; #ifdef __LP64__ typedef signed long int int64_t; #else typedef signed long long int int64_t; #endif typedef unsigned char uint8_t; typedef unsigned short int uint16_t; typedef unsigned int uint32_t; #ifdef __LP64__ typedef unsigned long int uint64_t; #else typedef unsigned long long int uint64_t; #endif #endif #ifndef NULL #define NULL ((void*)0) #endif #define offsetof(type, field) ((size_t)&((type *)0)->field) void *alloca(size_t size); #endif /* Older glibc require a wint_t from (when requested by __need_wint_t, as otherwise stddef.h isn't allowed to define this type). Note that this must be outside the normal _STDDEF_H guard, so that it works even when we've included the file already (without requiring wint_t). Some other libs define _WINT_T if they've already provided that type, so we can use that as guard. TCC defines __WINT_TYPE__ for us. */ #if defined (__need_wint_t) #ifndef _WINT_T #define _WINT_T typedef __WINT_TYPE__ wint_t; #endif #undef __need_wint_t #endif