v4.0/src/TOOLS/BLD/INC/VARARGS.H

   1 /***
   2 *varargs.h - XENIX style macros for variable argument functions
   3 *
   4 *   Copyright (c) 1985-1988, Microsoft Corporation.  All rights reserved.
   5 *
   6 *Purpose:
   7 *   This file defines XENIX style macros for accessing arguments of a
   8 *   function which takes a variable number of arguments.
   9 *   [System V]
  10 *
  11 *******************************************************************************/
  12
  13 #ifndef _VA_LIST_DEFINED
  14 typedef char *va_list;
  15 #define _VA_LIST_DEFINED
  16 #endif
  17
  18 #define va_dcl va_list va_alist;
  19 #define va_start(ap) ap = (va_list)&va_alist
  20 #define va_arg(ap,t) ((t *)(ap += sizeof(t)))[-1]
  21 #define va_end(ap) ap = NULL