4.3BSD-Reno/src/usr.bin/uucp/strpbrk.c

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#ifndef lint
static char sccsid[] = "@(#)strpbrk.c	5.1 (Berkeley) 6/23/85";
#endif

/*LINTLIBRARY*/

/*
 * this is like index, but takes a string as the second argument
 */
char *
strpbrk(str, chars)
register char *str, *chars;
{
	register char *cp;

	do {
		cp = chars - 1;
		while (*++cp) {
			if (*str == *cp)
				return str;
		}
	} while (*str++);
	return (char *)0;
}