author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 02:01:42 +0200 | |
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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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* <<strpbrk>>---find chars in string |
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* INDEX |
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* strpbrk |
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* ANSI_SYNOPSIS |
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* #include <string.h> |
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* char *strpbrk(const char *<[s1]>, const char *<[s2]>); |
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* TRAD_SYNOPSIS |
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* #include <string.h> |
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* char *strpbrk(<[s1]>, <[s2]>) |
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* char *<[s1]>; |
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* char *<[s2]>; |
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* This function locates the first occurence in the string |
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* pointed to by <[s1]> of any character in string pointed to by |
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* <[s2]> (excluding the terminating null character). |
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* RETURNS |
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* <<strpbrk>> returns a pointer to the character found in <[s1]>, or a |
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* null pointer if no character from <[s2]> occurs in <[s1]>. |
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* PORTABILITY |
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* <<strpbrk>> requires no supporting OS subroutines. |
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* |
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* |
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*/ |
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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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/** |
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Scan string for specified characters. |
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Scans string1 character by character, returning a pointer to the first character |
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that matches with any of the characters in string2. |
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The search does not includes the terminating null-characters. |
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@return A pointer to the first appearance in string1 of a character specified in s2. |
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If none of the characters specified in s2 exists in s1, a NULL pointer is returned. |
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@param s1 Null-terminated string to be scanned. |
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@param s2 Null-terminated string containing the character set to search for. |
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*/ |
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EXPORT_C char * |
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strpbrk (const char *s1, const char *s2) |
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{ |
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const char *c = s2; |
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if (!*s1) |
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return (char *) NULL; |
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|
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while (*s1) |
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{ |
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for (c = s2; *c; c++) |
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{ |
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if (*s1 == *c) |
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break; |
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} |
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if (*c) |
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break; |
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s1++; |
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} |
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if (*c == '\0') |
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s1 = NULL; |
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|
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return (char *) s1; |
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} |