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Annotation of 43BSDReno/include/stdarg.h, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1990 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted provided
        !             6:  * that: (1) source distributions retain this entire copyright notice and
        !             7:  * comment, and (2) distributions including binaries display the following
        !             8:  * acknowledgement:  ``This product includes software developed by the
        !             9:  * University of California, Berkeley and its contributors'' in the
        !            10:  * documentation or other materials provided with the distribution and in
        !            11:  * all advertising materials mentioning features or use of this software.
        !            12:  * Neither the name of the University nor the names of its contributors may
        !            13:  * be used to endorse or promote products derived from this software without
        !            14:  * specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  *
        !            19:  *     @(#)stdarg.h    5.4 (Berkeley) 6/26/90
        !            20:  */
        !            21: 
        !            22: typedef char *va_list;
        !            23: 
        !            24: #define        va_arg(ap, type) \
        !            25:        ((type *)(ap += sizeof(type) < sizeof(int) ? \
        !            26:                (abort(), 0) : sizeof(type)))[-1]
        !            27: 
        !            28: #define        va_end(ap)
        !            29: 
        !            30: #define        __va_promote(type) \
        !            31:        (((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int))
        !            32: 
        !            33: #define        va_start(ap, last) \
        !            34:        (ap = ((char *)&(last) + __va_promote(last)))

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