usr/src/usr.bin/window/alias.h

/*
 * @(#)alias.h  3.4 %G%
 */

/*
 * Copyright (c) 1983 Regents of the University of California,
 * All rights reserved.  Redistribution permitted subject to
 * the terms of the Berkeley Software License Agreement.
 */

#define alias var
#define a_name r_name
#define a_buf r_val.v_str
#define a_flags r_val.v_type

        /* a_flags bits, must not interfere with v_type values */
#define A_INUSE         0x010   /* already inuse */

#define alias_set(n, s)         var_setstr1(&alias_head, n, s)
#define alias_walk(f, a)        var_walk1(alias_head, f, a)
#define alias_unset(n)          var_unset1(&alias_head, n)
#define alias_lookup(n)         (*var_lookup1(&alias_head, n))

struct var *alias_head;