1997-11-21 11:35:41 +03:00
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/* $NetBSD: var.h,v 1.4 1997/11/21 08:36:46 lukem Exp $ */
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1995-09-28 13:33:55 +03:00
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1993-04-09 16:58:42 +04:00
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/*
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1995-09-28 13:33:55 +03:00
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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1993-04-09 16:58:42 +04:00
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*
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* This code is derived from software contributed to Berkeley by
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* Edward Wang at The University of California, Berkeley.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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1995-09-28 13:33:55 +03:00
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* @(#)var.h 8.1 (Berkeley) 6/6/93
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1993-04-09 16:58:42 +04:00
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*/
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struct var {
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struct var *r_left;
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struct var *r_right;
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char *r_name;
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struct value r_val;
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};
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1997-11-21 11:35:41 +03:00
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struct var **var_lookup1 __P((struct var **, char *));
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struct var *var_set1 __P((struct var **, char *, struct value *));
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struct var *var_setnum1 __P((struct var **, char *, int));
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struct var *var_setstr1 __P((struct var **, char *, char *));
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int var_unset1 __P((struct var **, char *));
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int var_walk1 __P((struct var *, int (*func)(void *, struct var *),
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void *));
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1993-04-09 16:58:42 +04:00
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#define var_set(n, v) var_set1(&var_head, n, v)
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#define var_setstr(n, s) var_setstr1(&var_head, n, s)
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#define var_setnum(n, i) var_setnum1(&var_head, n, i)
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#define var_unset(n) var_unset1(&var_head, n)
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#define var_lookup(n) (*var_lookup1(&var_head, n))
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#define var_walk(f, a) var_walk1(var_head, f, a)
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struct var *var_head; /* secret, shhh */
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