xref: /freebsd/usr.bin/m4/stdd.h (revision 2be1a816b9ff69588e55be0a84cbe2a31efc0f2f)
1 /*	$OpenBSD: stdd.h,v 1.4 1999/11/09 18:16:18 deraadt Exp $	*/
2 /*	$NetBSD: stdd.h,v 1.2 1995/09/28 05:37:50 tls Exp $	*/
3 
4 /*-
5  * Copyright (c) 1991, 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  * Ozan Yigit at York University.
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  *	@(#)stdd.h	8.1 (Berkeley) 6/6/93
40  * $FreeBSD$
41  */
42 
43 /*
44  * standard defines
45  */
46 
47 #define max(a,b) ((a) > (b)? (a): (b))
48 #define min(a,b) ((a) < (b)? (a): (b))
49 
50 #define iswhite(c) ((c) == ' ' || (c) == '\t')
51 
52 /*
53  * STREQ is an optimised strcmp(a,b)==0
54  * STREQN is an optimised strncmp(a,b,n)==0; assumes n > 0
55  */
56 #define STREQ(a, b) ((a)[0] == (b)[0] && strcmp(a, b) == 0)
57 #define STREQN(a, b, n) ((a)[0] == (b)[0] && strncmp(a, b, n) == 0)
58 
59 #define YES 1
60 #define NO 0
61