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Annotation of 43BSDReno/usr.bin/window/value.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1983 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to Berkeley by
        !             6:  * Edward Wang at The University of California, Berkeley.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms are permitted provided
        !             9:  * that: (1) source distributions retain this entire copyright notice and
        !            10:  * comment, and (2) distributions including binaries display the following
        !            11:  * acknowledgement:  ``This product includes software developed by the
        !            12:  * University of California, Berkeley and its contributors'' in the
        !            13:  * documentation or other materials provided with the distribution and in
        !            14:  * all advertising materials mentioning features or use of this software.
        !            15:  * Neither the name of the University nor the names of its contributors may
        !            16:  * be used to endorse or promote products derived from this software without
        !            17:  * specific prior written permission.
        !            18:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            19:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            20:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            21:  *
        !            22:  *     @(#)value.h     3.9 (Berkeley) 6/6/90
        !            23:  */
        !            24: 
        !            25: struct value {
        !            26:        char v_type;
        !            27:        union {
        !            28:                int V_num;
        !            29:                char *V_str;
        !            30:        } v_un;
        !            31: };
        !            32: #define v_num  v_un.V_num
        !            33: #define v_str  v_un.V_str
        !            34: 
        !            35: #define V_NUM  1
        !            36: #define V_STR  2
        !            37: #define V_ERR  3
        !            38: 
        !            39: #define val_free(v)    ((v).v_type == V_STR ? str_free((v).v_str) : 0)

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