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Annotation of 43BSDReno/usr.bin/window/value.h, revision 1.1.1.1

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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