strCcmp.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1985 AT&T
* All Rights Reserved
*/
#ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */
#include <stdio.h>
#include <ctype.h>
int
strCcmp(s1, s2)
char *s1;
char *s2;
{
register int c1;
register int c2;
while ((c1 = *s1++) != 0 & (c2 = *s2++) != 0) {
if (isupper(c1))
c1 = tolower(c1);
if (isupper(c2))
c2 = tolower(c2);
if (c1 != c2)
break;
}
return c1 - c2;
}
int
strnCcmp(s1, s2, n)
char *s1;
char *s2;
int n;
{
register int c1 = '\0';
register int c2 = '\0';
while (n-- > 0 && (c1 = *s1++) != 0 & (c2 = *s2++) != 0) {
if (isupper(c1))
c1 = tolower(c1);
if (isupper(c2))
c2 = tolower(c2);
if (c1 != c2)
break;
}
return c1 - c2;
}