xnu-792.17.14.tar.gz

[apple/xnu.git] / bsd / libkern / locc.c

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/*-
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
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 *	This product includes software developed by the University of
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 *
 *	@(#)locc.c	8.1 (Berkeley) 6/10/93
 */

#include <libkern/libkern.h>

int
locc(mask0, cp0, size)
	int mask0;
	char *cp0;
	u_int size;
{
	register u_char *cp, *end, mask;

	mask = mask0;
	cp = (u_char *)cp0;
	for (end = &cp[size]; cp < end && *cp != mask; ++cp);
	return (end - cp);
}