xref: /openbsd/usr.bin/m4/stdd.h (revision c17ca14e)
1*c17ca14eSmarco /*	$OpenBSD: stdd.h,v 1.6 2010/09/07 19:58:09 marco Exp $	*/
2df930be7Sderaadt /*	$NetBSD: stdd.h,v 1.2 1995/09/28 05:37:50 tls Exp $	*/
3df930be7Sderaadt 
4df930be7Sderaadt /*-
5df930be7Sderaadt  * Copyright (c) 1991, 1993
6df930be7Sderaadt  *	The Regents of the University of California.  All rights reserved.
7df930be7Sderaadt  *
8df930be7Sderaadt  * This code is derived from software contributed to Berkeley by
9df930be7Sderaadt  * Ozan Yigit at York University.
10df930be7Sderaadt  *
11df930be7Sderaadt  * Redistribution and use in source and binary forms, with or without
12df930be7Sderaadt  * modification, are permitted provided that the following conditions
13df930be7Sderaadt  * are met:
14df930be7Sderaadt  * 1. Redistributions of source code must retain the above copyright
15df930be7Sderaadt  *    notice, this list of conditions and the following disclaimer.
16df930be7Sderaadt  * 2. Redistributions in binary form must reproduce the above copyright
17df930be7Sderaadt  *    notice, this list of conditions and the following disclaimer in the
18df930be7Sderaadt  *    documentation and/or other materials provided with the distribution.
19f75387cbSmillert  * 3. Neither the name of the University nor the names of its contributors
20df930be7Sderaadt  *    may be used to endorse or promote products derived from this software
21df930be7Sderaadt  *    without specific prior written permission.
22df930be7Sderaadt  *
23df930be7Sderaadt  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24df930be7Sderaadt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25df930be7Sderaadt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26df930be7Sderaadt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27df930be7Sderaadt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28df930be7Sderaadt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29df930be7Sderaadt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30df930be7Sderaadt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31df930be7Sderaadt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32df930be7Sderaadt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33df930be7Sderaadt  * SUCH DAMAGE.
34df930be7Sderaadt  *
35df930be7Sderaadt  *	@(#)stdd.h	8.1 (Berkeley) 6/6/93
36df930be7Sderaadt  */
37df930be7Sderaadt 
38df930be7Sderaadt /*
39df930be7Sderaadt  * standard defines
40df930be7Sderaadt  */
41df930be7Sderaadt 
42df930be7Sderaadt #define max(a,b) ((a) > (b)? (a): (b))
43df930be7Sderaadt #define min(a,b) ((a) < (b)? (a): (b))
44df930be7Sderaadt 
45df930be7Sderaadt #define iswhite(c) ((c) == ' ' || (c) == '\t')
46df930be7Sderaadt 
47df930be7Sderaadt /*
48df930be7Sderaadt  * STREQ is an optimised strcmp(a,b)==0
49df930be7Sderaadt  * STREQN is an optimised strncmp(a,b,n)==0; assumes n > 0
50df930be7Sderaadt  */
510fd948c5Sderaadt #define STREQ(a, b) ((a)[0] == (b)[0] && strcmp(a, b) == 0)
520fd948c5Sderaadt #define STREQN(a, b, n) ((a)[0] == (b)[0] && strncmp(a, b, n) == 0)
53df930be7Sderaadt 
54df930be7Sderaadt #define YES 1
55df930be7Sderaadt #define NO 0
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