/*

* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

* FUNCTION

* <<strpbrk>>---find chars in string

* INDEX

* strpbrk

* ANSI_SYNOPSIS

* #include <string.h>

* char *strpbrk(const char *<[s1]>, const char *<[s2]>);

* TRAD_SYNOPSIS

* #include <string.h>

* char *strpbrk(<[s1]>, <[s2]>)

* char *<[s1]>;

* char *<[s2]>;

* This function locates the first occurence in the string

* pointed to by <[s1]> of any character in string pointed to by

* <[s2]> (excluding the terminating null character).

* RETURNS

* <<strpbrk>> returns a pointer to the character found in <[s1]>, or a

* null pointer if no character from <[s2]> occurs in <[s1]>.

* PORTABILITY

* <<strpbrk>> requires no supporting OS subroutines.

* 

*

*/

#include <string.h>

/**

Scan string for specified characters.

Scans string1 character by character, returning a pointer to the first character

that matches with any of the characters in string2.

The search does not includes the terminating null-characters.

@return A pointer to the first appearance in string1 of a character specified in s2.

If none of the characters specified in s2 exists in s1, a NULL pointer is returned.

@param s1 Null-terminated string to be scanned. 

@param s2 Null-terminated string containing the character set to search for.

*/

EXPORT_C char *

strpbrk (const char *s1, const char *s2)

{

  const char *c = s2;

  if (!*s1)

    return (char *) NULL;

  while (*s1)

    {

      for (c = s2; *c; c++)

	{

	  if (*s1 == *c)

	    break;

	}

      if (*c)

	break;

      s1++;

    }

  if (*c == '\0')

    s1 = NULL;

  return (char *) s1;

}