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Annotation of 43BSDReno/usr.bin/window/alias.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:  *     @(#)alias.h     3.8 (Berkeley) 6/6/90
                     23:  */
                     24: 
                     25: #define alias var
                     26: #define a_name r_name
                     27: #define a_buf r_val.v_str
                     28: #define a_flags r_val.v_type
                     29: 
                     30:        /* a_flags bits, must not interfere with v_type values */
                     31: #define A_INUSE                0x010   /* already inuse */
                     32: 
                     33: #define alias_set(n, s)                var_setstr1(&alias_head, n, s)
                     34: #define alias_walk(f, a)       var_walk1(alias_head, f, a)
                     35: #define alias_unset(n)         var_unset1(&alias_head, n)
                     36: #define alias_lookup(n)                (*var_lookup1(&alias_head, n))
                     37: 
                     38: struct var *alias_head;

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