TIOCGPGRP copies an int out of the kernel

[unix-history] / usr / src / lib / libc / string / strpbrk.c

/*
 * Copyright (c) 1985 Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strpbrk.c	5.8 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

#include <sys/cdefs.h>
#include <string.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);
}