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55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
/****************************************************************************
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*
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* Open Watcom Project
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*
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* Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*
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* ========================================================================
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*
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* This file contains Original Code and/or Modifications of Original
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* Code as defined in and that are subject to the Sybase Open Watcom
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* Public License version 1.0 (the 'License'). You may not use this file
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* except in compliance with the License. BY USING THIS FILE YOU AGREE TO
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* ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
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* provided with the Original Code and Modifications, and is also
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* available at www.sybase.com/developer/opensource.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
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* ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
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* NON-INFRINGEMENT. Please see the License for the specific language
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* governing rights and limitations under the License.
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*
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* ========================================================================
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*
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* Description: WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
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* DESCRIBE IT HERE!
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*
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****************************************************************************/
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#include "variety.h"
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#include <stddef.h>
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#include <string.h>
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#include "setbits.h"
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/* The strpbrk function locates the first occurrence in the string pointed
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to by str of any character from the string pointed to by charset.
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*/
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_WCRTLINK char _WCFAR *_fstrpbrk( const char _WCFAR *str, const char _WCFAR *charset )
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{
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unsigned char tc;
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unsigned char vector[32];
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__fsetbits( vector, charset );
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for( ; tc = *str; ++str ) {
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/* quit when we find any char in charset */
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if( ( vector[ tc >> 3 ] & _Bits[ tc & 0x07 ] ) != 0 )
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return( (char _WCFAR *)str );
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}
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return( NULL );
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}
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