123 lines
2 KiB
C
123 lines
2 KiB
C
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/***
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*stddef.h - definitions/declarations for common constants, types, variables
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*
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* Copyright (c) 1985-1994, 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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****/
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#ifndef _INC_STDDEF
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#define _INC_STDDEF
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#ifdef __cplusplus
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extern "C" {
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#endif
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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) )
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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) )
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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 _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 /* _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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#ifdef _MT
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_CRTIMP extern int * __cdecl _errno(void);
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#define errno (*_errno())
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#else
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_CRTIMP extern int errno;
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#endif
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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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