Annotation of src/usr.bin/window/var.h, Revision 1.2
1.2 ! deraadt 1: /* $OpenBSD: var.h,v 1.3 1995/09/28 10:35:02 tls Exp $ */
1.1 deraadt 2: /* $NetBSD: var.h,v 1.3 1995/09/28 10:35:02 tls Exp $ */
3:
4: /*
5: * Copyright (c) 1983, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * Edward Wang at The University of California, Berkeley.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the University of
22: * California, Berkeley and its contributors.
23: * 4. Neither the name of the University nor the names of its contributors
24: * may be used to endorse or promote products derived from this software
25: * without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37: * SUCH DAMAGE.
38: *
39: * @(#)var.h 8.1 (Berkeley) 6/6/93
40: */
41:
42: struct var {
43: struct var *r_left;
44: struct var *r_right;
45: char *r_name;
46: struct value r_val;
47: };
48:
49: struct var *var_set1();
50: struct var *var_setstr1();
51: struct var *var_setnum1();
52: struct var **var_lookup1();
53:
54: #define var_set(n, v) var_set1(&var_head, n, v)
55: #define var_setstr(n, s) var_setstr1(&var_head, n, s)
56: #define var_setnum(n, i) var_setnum1(&var_head, n, i)
57: #define var_unset(n) var_unset1(&var_head, n)
58: #define var_lookup(n) (*var_lookup1(&var_head, n))
59: #define var_walk(f, a) var_walk1(var_head, f, a)
60:
61: struct var *var_head; /* secret, shhh */