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42 lines
894 B
42 lines
894 B
/***
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*stdarg.h - defines ANSI-style macros for variable argument functions
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*
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* Copyright (c) 1985-1990, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* This file defines ANSI-style macros for accessing arguments
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* of functions which take a variable number of arguments.
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* [ANSI]
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*
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****/
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#if defined(_DLL) && !defined(_MT)
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#error Cannot define _DLL without _MT
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#endif
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#ifdef _MT
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#define _FAR_ _far
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#else
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#define _FAR_
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#endif
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/* define NULL pointer value */
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#ifndef NULL
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#if (_MSC_VER >= 600)
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#define NULL ((void *)0)
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#elif (defined(M_I86SM) || defined(M_I86MM))
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#define NULL 0
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#else
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#define NULL 0L
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#endif
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#endif
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#ifndef _VA_LIST_DEFINED
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typedef char _FAR_ *va_list;
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#define _VA_LIST_DEFINED
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#endif
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#define va_start(ap,v) ap = (va_list)&v + sizeof(v)
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#define va_arg(ap,t) ((t _FAR_ *)(ap += sizeof(t)))[-1]
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#define va_end(ap) ap = NULL
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