new copyright notice

[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   5.7 (Berkeley) %G%";
#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);
}