usr/src/cmd/bnu/strpbrk.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  23 /*        All Rights Reserved   */
  24
  25
  26 #ident  "%Z%%M% %I%     %E% SMI"        /* from SVR4 bnu:strpbrk.c 2.2 */
  27
  28 #include "uucp.h"
  29
  30 /*
  31  * Return ptr to first occurance of any character from `brkset'
  32  * in the character string `string'; NULL if none exists.
  33  */
  34
  35 char *
  36 strpbrk(string, brkset)
  37 register char *string, *brkset;
  38 {
  39         register char *p;
  40
  41         if(!string || !brkset)
  42                 return(0);
  43         do {
  44                 for(p=brkset; *p != '\0' && *p != *string; ++p)
  45                         ;
  46                 if(*p != '\0')
  47                         return(string);
  48         }
  49         while(*string++);
  50         return(0);
  51 }