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/***
*stddef.h - definitions/declarations for common constants, types, variables
*
* Copyright (c) 1985-1993, Microsoft Corporation. All rights reserved.
*
*Purpose:
* This file contains definitions and declarations for some commonly
* used constants, types, and variables.
* [ANSI]
*
****/
#ifndef _INC_STDDEF
#ifdef __cplusplus
extern "C" {
#endif
/*
* Conditional macro definition for function calling type and variable type
* qualifiers.
*/
#if ( (_MSC_VER >= 800) && (_M_IX86 >= 300) )
/*
* Definitions for MS C8-32 (386/486) compiler
*/
#define _CRTAPI1 __cdecl
#define _CRTAPI2 __cdecl
#else
/*
* Other compilers (e.g., MIPS)
*/
#define _CRTAPI1
#define _CRTAPI2
#endif
/* define NULL pointer value and the offset() macro */
#ifndef NULL
#ifdef __cplusplus
#define NULL 0
#else
#define NULL ((void *)0)
#endif
#endif
#define offsetof(s,m) (size_t)&(((s *)0)->m)
/* declare reference to errno */
#ifdef _MT
extern int * _CRTAPI1 _errno(void);
#define errno (*_errno())
#else
extern int errno;
#endif
/* define the implementation dependent size types */
#ifndef _PTRDIFF_T_DEFINED
typedef int ptrdiff_t;
#define _PTRDIFF_T_DEFINED
#endif
#ifndef _SIZE_T_DEFINED
typedef unsigned int size_t;
#define _SIZE_T_DEFINED
#endif
#ifndef _WCHAR_T_DEFINED
typedef unsigned short wchar_t;
#define _WCHAR_T_DEFINED
#endif
#ifdef _MT
extern unsigned long _CRTAPI1 __threadid(void);
#define _threadid (__threadid())
extern unsigned long _CRTAPI1 __threadhandle(void);
#endif
#ifdef __cplusplus
}
#endif
#define _INC_STDDEF
#endif /* _INC_STDDEF */
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