xref: /freebsd/usr.bin/m4/stdd.h (revision 3f0164abf32b9b761e0a2cb4bdca3a8b84f156d4)
1 /*	$OpenBSD: stdd.h,v 1.6 2010/09/07 19:58:09 marco 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. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	@(#)stdd.h	8.1 (Berkeley) 6/6/93
36  * $FreeBSD$
37  */
38 
39 /*
40  * standard defines
41  */
42 
43 #define max(a,b) ((a) > (b)? (a): (b))
44 #define min(a,b) ((a) < (b)? (a): (b))
45 
46 #define iswhite(c) ((c) == ' ' || (c) == '\t')
47 
48 /*
49  * STREQ is an optimised strcmp(a,b)==0
50  * STREQN is an optimised strncmp(a,b,n)==0; assumes n > 0
51  */
52 #define STREQ(a, b) ((a)[0] == (b)[0] && strcmp(a, b) == 0)
53 #define STREQN(a, b, n) ((a)[0] == (b)[0] && strncmp(a, b, n) == 0)
54 
55 #define YES 1
56 #define NO 0
57