streql.c

来自「创建一个符合iso-9660标准的iso文件系统」· C语言 代码 · 共 42 行

/* @(#)streql.c	1.6 00/05/07 Copyright 1985 J. Schilling */
/*
 *	Check if two strings are equal
 *
 *	Copyright (c) 1985 J. Schilling
 */
/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <standard.h>
#include <schily.h>

int streql(a, b)
	const char	*a;
	const char	*b;
{
	register const char	*s1 = a;
	register const char	*s2 = b;

	if (s1 == NULL || s2 ==  NULL)
		return (FALSE);

	while (*s1 == *s2++)
		if (*s1++ == '\0')
			return (TRUE);

	return (FALSE);
}