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194 lines
5.0 KiB
194 lines
5.0 KiB
/***
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*stddef.h - definitions/declarations for common constants, types, variables
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*
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* Copyright (c) 1985-1995, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* This file contains definitions and declarations for some commonly
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* used constants, types, and variables.
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* [ANSI]
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*
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* [Public]
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*
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*Revision History:
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* 10-02-87 JCR Changed NULL definition #else to #elif (C || L || H)
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* 12-11-87 JCR Added "_loadds" functionality
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* 12-16-87 JCR Added threadid definition
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* 12-18-87 JCR Added _FAR_ to declarations
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* 02-10-88 JCR Cleaned up white space
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* 08-19-88 GJF Revised to also work for the 386
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* 05-03-89 JCR Added _INTERNAL_IFSTRIP for relinc usage
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* 06-06-89 JCR 386: Made _threadid a function
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* 08-01-89 GJF Cleanup, now specific to OS/2 2.0 (i.e., 386 flat
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* model). Also added parens to *_errno definition
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* (same as 11-14-88 change to CRT version).
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* 10-30-89 GJF Fixed copyright
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* 11-02-89 JCR Changed "DLL" to "_DLL"
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* 03-02-90 GJF Added #ifndef _INC_STDDEF and #include <cruntime.h>
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* stuff. Also, removed some (now) useless preprocessor
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* directives.
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* 04-10-90 GJF Replaced _cdecl with _VARTYPE1 or _CALLTYPE1, as
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* appropriate.
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* 08-16-90 SBM Made MTHREAD _errno return int *
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* 10-09-90 GJF Changed return type of __threadid() to unsigned long *.
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* 11-12-90 GJF Changed NULL to (void *)0.
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* 02-11-91 GJF Added offsetof() macro.
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* 02-12-91 GJF Only #define NULL if it isn't #define-d.
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* 03-21-91 KRS Added wchar_t typedef, also in stdlib.h.
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* 06-27-91 GJF Revised __threadid, added __threadhandle, both
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* for Win32 [_WIN32_].
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* 08-20-91 JCR C++ and ANSI naming
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* 01-29-92 GJF Got rid of silly macro defining _threadhandle to be
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* __threadhandle (no reason for the former name to be
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* be defined).
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* 08-05-92 GJF Function calling type and variable type macros.
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* 01-21-93 GJF Removed support for C6-386's _cdecl.
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* 04-06-93 SKS Replace _CRTAPI1/2 with __cdecl, _CRTVAR1 with nothing
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* Remove support for OS/2, etc.
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* 04-07-93 SKS Add _CRTIMP keyword for CRT DLL model
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* Use link-time aliases for old names, not #define's
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* 10-12-93 GJF Support NT and Cuda versions. Also, replace MTHREAD
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* with _MT.
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* 03-14-94 GJF Made declaration of errno match one in stdlib.h.
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* 06-06-94 SKS Change if def(_MT) to if def(_MT) || def(_DLL)
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* This will support single-thread apps using MSVCRT*.DLL
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* 02-11-95 CFW Add _CRTBLD to avoid users getting wrong headers.
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* 02-14-95 CFW Clean up Mac merge.
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* 04-03-95 JCF Remove #ifdef _WIN32 around wchar_t.
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* 12-14-95 JWM Add "#pragma once".
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*
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****/
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#if _MSC_VER > 1000 /*IFSTRIP=IGN*/
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#pragma once
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#endif
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#ifndef _INC_STDDEF
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#define _INC_STDDEF
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#if !defined(_WIN32) && !defined(_MAC)
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#error ERROR: Only Mac or Win32 targets supported!
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#endif
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#ifndef _CRTBLD
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/* This version of the header files is NOT for user programs.
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* It is intended for use when building the C runtimes ONLY.
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* The version intended for public use will not have this message.
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*/
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#error ERROR: Use of C runtime library internal header file.
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#endif /* _CRTBLD */
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _INTERNAL_IFSTRIP_
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#include <cruntime.h>
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#endif /* _INTERNAL_IFSTRIP_ */
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/* Define _CRTAPI1 (for compatibility with the NT SDK) */
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#ifndef _CRTAPI1
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#if _MSC_VER >= 800 && _M_IX86 >= 300 /*IFSTRIP=IGN*/
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#define _CRTAPI1 __cdecl
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#else
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#define _CRTAPI1
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#endif
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#endif
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/* Define _CRTAPI2 (for compatibility with the NT SDK) */
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#ifndef _CRTAPI2
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#if _MSC_VER >= 800 && _M_IX86 >= 300 /*IFSTRIP=IGN*/
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#define _CRTAPI2 __cdecl
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#else
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#define _CRTAPI2
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#endif
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#endif
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/* Define _CRTIMP */
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#ifndef _CRTIMP
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#ifdef _NTSDK
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/* definition compatible with NT SDK */
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#define _CRTIMP
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#else /* ndef _NTSDK */
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/* current definition */
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#ifdef CRTDLL
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#define _CRTIMP __declspec(dllexport)
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#else /* ndef CRTDLL */
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#ifdef _DLL
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#define _CRTIMP __declspec(dllimport)
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#else /* ndef _DLL */
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#define _CRTIMP
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#endif /* _DLL */
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#endif /* CRTDLL */
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#endif /* _NTSDK */
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#endif /* _CRTIMP */
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/* Define __cdecl for non-Microsoft compilers */
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#if ( !defined(_MSC_VER) && !defined(__cdecl) )
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#define __cdecl
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#endif
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/* Define NULL pointer value and the offset() macro */
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#ifndef NULL
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#ifdef __cplusplus
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#define NULL 0
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#else
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#define NULL ((void *)0)
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#endif
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#endif
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#define offsetof(s,m) (size_t)&(((s *)0)->m)
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/* Declare reference to errno */
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#if (defined(_MT) || defined(_DLL)) && (!defined(_M_MPPC) && !defined(_M_M68K))
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_CRTIMP extern int * __cdecl _errno(void);
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#define errno (*_errno())
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#else /* ndef _MT && ndef _DLL */
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_CRTIMP extern int errno;
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#endif /* _MT || _DLL */
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/* define the implementation dependent size types */
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#ifndef _PTRDIFF_T_DEFINED
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typedef int ptrdiff_t;
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#define _PTRDIFF_T_DEFINED
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#endif
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#ifndef _SIZE_T_DEFINED
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typedef unsigned int size_t;
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#define _SIZE_T_DEFINED
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#endif
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#ifndef _WCHAR_T_DEFINED
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typedef unsigned short wchar_t;
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#define _WCHAR_T_DEFINED
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#endif
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#ifdef _MT
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_CRTIMP extern unsigned long __cdecl __threadid(void);
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#define _threadid (__threadid())
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_CRTIMP extern unsigned long __cdecl __threadhandle(void);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _INC_STDDEF */
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