/*
 * Copyright (c) 1985 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not 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 MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strpbrk.c	5.6 (Berkeley) 05/17/90";
#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);
}