genericopenlibs/cstdlib/LCHAR/STRRCHR.C
author hgs
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/*
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* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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* FUNCTION
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* <<strrchr>>---reverse search for character in string
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* INDEX
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* strrchr
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* ANSI_SYNOPSIS
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* #include <string.h>
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* char * strrchr(const char *<[string]>, int <[c]>);
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* TRAD_SYNOPSIS
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* #include <string.h>
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* char * strrchr(<[string]>, <[c]>);
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* char *<[string]>;
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* int *<[c]>;
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* This function finds the last occurence of <[c]> (converted to
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* a char) in the string pointed to by <[string]> (including the
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* terminating null character).
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* RETURNS
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* Returns a pointer to the located character, or a null pointer
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* if <[c]> does not occur in <[string]>.
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* PORTABILITY
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* <<strrchr>> is ANSI C.
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* <<strrchr>> requires no supporting OS subroutines.
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* QUICKREF
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* strrchr ansi pure
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* 
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*
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*/
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#include <string.h>
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/**
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Find last occurrence of character in string.
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Returns the last occurrence of c in string.
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The null-terminating character is included as part of the string and can also be searched.
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@return If character is found, a pointer to the last occurrence of c in string is returned.
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If not, NULL is returned.
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@param s Null-terminated string scanned in the search. 
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@param i Character to be found.
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*/
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EXPORT_C char *
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strrchr (const char *s, int i)
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{
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	const char *last = NULL;
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	i = (char)i;
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	for (;;)
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	{
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		int c = *s++;
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		if (c == i)
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			last = s - 1;
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		if (c == 0)
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			break;
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	}
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  return (char *) last;
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}
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EXPORT_C char *
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rindex (const char *s, int c)
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{
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  return strrchr (s, c);
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}