stdarg.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1993 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  * 
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  * 
   16  * Carnegie Mellon requests users of this software to return to
   17  * 
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  * 
   23  * any improvements or extensions that they make and grant Carnegie Mellon 
   24  * the rights to redistribute these changes.
   25  */
   26 /*
   27  * HISTORY
   28  * $Log:        stdarg.h,v $
   29  * Revision 2.2  93/11/17  19:11:46  dbg
   30  *      Created.
   31  *      [93/10/27            dbg]
   32  * 
   33  */
   34 
   35 #ifndef _I386_STDARG_H_
   36 #define _I386_STDARG_H_
   37 
   38 /*
   39  *      STDARG for i386
   40  *
   41  *      All arguments are on the stack.
   42  *      Sizes are rounded to the nearest integer (4 bytes).
   43  */
   44 
   45 typedef char *  va_list;
   46 
   47 #define va_start(ap, last)      ((ap) = (char *)(&(last)+1))
   48 #define va_end(ap)
   49 
   50 #define va_arg(ap, type) \
   51         ( (ap) += ((sizeof(type)+3) & ~0x3),    /* advance */   \
   52           *((type *)((ap) - ((sizeof(type)+3) & ~0x3))) )
   53 
   54 #endif  /* _I386_STDARG_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/i386/stdarg.h

FreeBSD/Linux Kernel Cross Reference
sys/i386/stdarg.h