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Annotation of 43BSDReno/usr.bin/window/var.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:  *     @(#)var.h       3.11 (Berkeley) 6/6/90
        !            23:  */
        !            24: 
        !            25: struct var {
        !            26:        struct var *r_left;
        !            27:        struct var *r_right;
        !            28:        char *r_name;
        !            29:        struct value r_val;
        !            30: };
        !            31: 
        !            32: struct var *var_set1();
        !            33: struct var *var_setstr1();
        !            34: struct var *var_setnum1();
        !            35: struct var **var_lookup1();
        !            36: 
        !            37: #define var_set(n, v)          var_set1(&var_head, n, v)
        !            38: #define var_setstr(n, s)       var_setstr1(&var_head, n, s)
        !            39: #define var_setnum(n, i)       var_setnum1(&var_head, n, i)
        !            40: #define var_unset(n)           var_unset1(&var_head, n)
        !            41: #define var_lookup(n)          (*var_lookup1(&var_head, n))
        !            42: #define var_walk(f, a)         var_walk1(var_head, f, a)
        !            43: 
        !            44: struct var *var_head;          /* secret, shhh */

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