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Annotation of src/usr.bin/m4/stdd.h, Revision 1.4

1.3       espie       1: /*     $OpenBSD: stdd.h,v 1.2 1996/06/26 05:36:16 deraadt Exp $        */
1.1       deraadt     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:  */
                     41:
                     42: /*
                     43:  * standard defines
                     44:  */
                     45:
                     46: #define max(a,b) ((a) > (b)? (a): (b))
                     47: #define min(a,b) ((a) < (b)? (a): (b))
                     48:
                     49: #define iswhite(c) ((c) == ' ' || (c) == '\t')
                     50:
                     51: /*
                     52:  * STREQ is an optimised strcmp(a,b)==0
                     53:  * STREQN is an optimised strncmp(a,b,n)==0; assumes n > 0
                     54:  */
1.4     ! deraadt    55: #define STREQ(a, b) ((a)[0] == (b)[0] && strcmp(a, b) == 0)
        !            56: #define STREQN(a, b, n) ((a)[0] == (b)[0] && strncmp(a, b, n) == 0)
1.1       deraadt    57:
                     58: #define YES 1
                     59: #define NO 0