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

     /*-
      * Copyright (c) 1991, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)stdarg.h    8.1 (Berkeley) 6/10/93
     * $FreeBSD: src/sys/i386/include/stdarg.h,v 1.6.8.2 1999/09/05 08:12:07 peter Exp $
     */
    
    #ifndef _STDARG_H_
    #define _STDARG_H_
    
    typedef char *va_list;
    
    #define __va_size(type) \
            (((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int))
    
    #ifdef __GNUC__
    #define va_start(ap, last) \
            ((ap) = (va_list)__builtin_next_arg(last))
    #else
    #define va_start(ap, last) \
            ((ap) = (va_list)&(last) + __va_size(last))
    #endif
    
    #define va_arg(ap, type) \
            (*(type *)((ap) += __va_size(type), (ap) - __va_size(type)))
    
    #define va_end(ap)
    
    #endif /* !_STDARG_H_ */

Cache object: 9ec29b577b17e177263c865e7c90b7fa