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/* strpbrk( const char *, const char * )
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/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
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   This file is part of the Public Domain C Library (PDCLib).
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#include "unconst.h"
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   Permission is granted to use, modify, and / or redistribute at will.
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*/
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#include
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#include
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char * strpbrk( const char * s1, const char * s2 )
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char* strpbrk(const char* s1, const char* s2)
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{
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    const char * p1 = s1;
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{
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    const char * p2;
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    while ( *p1 )
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    {
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    const char* scanp;
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        p2 = s2;
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        while ( *p2 )
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        {
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            if ( *p1 == *p2++ )
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            {
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                return ( char * ) p1;
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            }
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    int c, sc;
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        }
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    while ((c = *s1++) != 0) {
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        for (scanp = s2; (sc = *scanp++) != 0;)
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            if (sc == c)
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        ++p1;
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    }
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                return unconst(s1 - 1, char*);
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    }
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    return NULL;
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    return 0;