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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]
*
*Revision History:
* 10-02-87 JCR Changed NULL definition #else to #elif (C || L || H)
* 12-11-87 JCR Added "_loadds" functionality
* 12-16-87 JCR Added threadid definition
* 12-18-87 JCR Added _FAR_ to declarations
* 02-10-88 JCR Cleaned up white space
* 08-19-88 GJF Revised to also work for the 386
* 05-03-89 JCR Added _INTERNAL_IFSTRIP for relinc usage
* 06-06-89 JCR 386: Made _threadid a function
* 08-01-89 GJF Cleanup, now specific to OS/2 2.0 (i.e., 386 flat
* model). Also added parens to *_errno definition
* (same as 11-14-88 change to CRT version).
* 10-30-89 GJF Fixed copyright
* 11-02-89 JCR Changed "DLL" to "_DLL"
* 03-02-90 GJF Added #ifndef _INC_STDDEF and #include <cruntime.h>
* stuff. Also, removed some (now) useless preprocessor
* directives.
* 04-10-90 GJF Replaced _cdecl with _VARTYPE1 or _CALLTYPE1, as
* appropriate.
* 08-16-90 SBM Made MTHREAD _errno return int *
* 10-09-90 GJF Changed return type of __threadid() to unsigned long *.
* 11-12-90 GJF Changed NULL to (void *)0.
* 02-11-91 GJF Added offsetof() macro.
* 02-12-91 GJF Only #define NULL if it isn't #define-d.
* 03-21-91 KRS Added wchar_t typedef, also in stdlib.h.
* 06-27-91 GJF Revised __threadid, added __threadhandle, both
* for Win32 [_WIN32_].
* 08-20-91 JCR C++ and ANSI naming
* 01-29-92 GJF Got rid of silly macro defining _threadhandle to be
* __threadhandle (no reason for the former name to be
* be defined).
* 08-05-92 GJF Function calling type and variable type macros.
* 01-21-93 GJF Removed support for C6-386's _cdecl.
*
****/
#ifndef _INC_STDDEF
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _INTERNAL_IFSTRIP_
#include <cruntime.h>
#endif /* _INTERNAL_IFSTRIP_ */
/*
* 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 MTHREAD
extern int * _CRTAPI1 _errno(void);
#define errno (*_errno())
#else
extern int _CRTVAR1 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 MTHREAD
#ifdef _CRUISER_
/* define pointer to thread id value */
extern unsigned long * _CRTAPI1 __threadid(void);
#define _threadid (__threadid())
#else /* ndef _CRUISER_ */
#ifdef _WIN32_
extern unsigned long _CRTAPI1 __threadid(void);
#define _threadid (__threadid())
extern unsigned long _CRTAPI1 __threadhandle(void);
#else /* ndef _WIN32_ */
#error ERROR - ONLY CRUISER OR WIN32 TARGET SUPPORTED!
#endif /* _WIN32_ */
#endif /* _CRUISER_ */
#endif
#ifdef __cplusplus
}
#endif
#define _INC_STDDEF
#endif /* _INC_STDDEF */
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