22 lines
621 B
C
22 lines
621 B
C
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/***
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*varargs.h - XENIX style macros for variable argument functions
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*
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* Copyright (c) 1985-1988, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* This file defines XENIX style macros for accessing arguments of a
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* function which takes a variable number of arguments.
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* [System V]
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*
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*******************************************************************************/
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#ifndef _VA_LIST_DEFINED
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typedef char *va_list;
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#define _VA_LIST_DEFINED
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#endif
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#define va_dcl va_list va_alist;
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#define va_start(ap) ap = (va_list)&va_alist
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#define va_arg(ap,t) ((t *)(ap += sizeof(t)))[-1]
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#define va_end(ap) ap = NULL
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