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BSD 4.3reno

/*
 * Copyright (c) 1985 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that: (1) source distributions retain this entire copyright
 * notice and comment, and (2) distributions including binaries display
 * the following acknowledgement:  ``This product includes software
 * developed by the University of California, Berkeley and its contributors''
 * in the documentation or other materials provided with the distribution
 * and in all advertising materials mentioning features or use of this
 * software. Neither the name of the University nor the names of its
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strpbrk.c	5.7 (Berkeley) 6/1/90";
#endif /* LIBC_SCCS and not lint */

#include <string.h>
#include <sys/stdc.h>

/*
 * Find the first occurrence in s1 of a character in s2 (excluding NUL).
 */
char *
strpbrk(s1, s2)
	register const char *s1, *s2;
{
	register const char *scanp;
	register int c, sc;

	while ((c = *s1++) != 0) {
		for (scanp = s2; (sc = *scanp++) != 0;)
			if (sc == c)
				return ((char *)(s1 - 1));
	}
	return (NULL);
}

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