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Annotation of 43BSDTahoe/ucb/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:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that the above copyright notice and this paragraph are
                      7:  * duplicated in all such forms and that any documentation,
                      8:  * advertising materials, and other materials related to such
                      9:  * distribution and use acknowledge that the software was developed
                     10:  * by the University of California, Berkeley.  The name of the
                     11:  * University may not be used to endorse or promote products derived
                     12:  * from this software without specific prior written permission.
                     13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     16:  *
                     17:  *     @(#)alias.h     3.6 (Berkeley) 6/29/88
                     18:  */
                     19: 
                     20: #define alias var
                     21: #define a_name r_name
                     22: #define a_buf r_val.v_str
                     23: #define a_flags r_val.v_type
                     24: 
                     25:        /* a_flags bits, must not interfere with v_type values */
                     26: #define A_INUSE                0x010   /* already inuse */
                     27: 
                     28: #define alias_set(n, s)                var_setstr1(&alias_head, n, s)
                     29: #define alias_walk(f, a)       var_walk1(alias_head, f, a)
                     30: #define alias_unset(n)         var_unset1(&alias_head, n)
                     31: #define alias_lookup(n)                (*var_lookup1(&alias_head, n))
                     32: 
                     33: struct var *alias_head;

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