(Std :: locale)<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">(std::locale)</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div> – cppreference.com">(Std :: locale)<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">(std::locale)</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div> – cppreference.com">
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    std::tolower<div class="t-tr-text">(Std :: locale)<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">(std::locale)</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div>

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    <metanoindex/>

     
    C++
     
    Lokalisierungen Bibliothek
    Locales und Facetten
    Original:
    Locales and facets
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    locale
    Buchstaben-Klassifikation
    Original:
    Character classification
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    Conversions
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    Conversions
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    Facet Kategorie Basisklassen
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    Facet category base classes
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    Facet Kategorien
    Original:
    Facet categories
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    Locale-spezifische Facetten
    Original:
    Locale-specific facets
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    Code-Konvertierung Facetten
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    Code conversion facets
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    codecvt_utf8(C++11)
    codecvt_utf16(C++11)
    C locale
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    C locale
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    <tbody> </tbody>
    definiert in Header <locale>
    template< class charT > charT tolower( charT ch, const locale& loc );
    Wandelt das Zeichen ch in Kleinbuchstaben, wenn möglich, mit den Umsetzungsregeln durch den angegebenen Gebietsschemas std::ctype Facette angegeben .
    Original:
    Converts the character ch to lowercase if possible, using the conversion rules specified by the given locale's std::ctype facet.
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    Parameter

    ch -
    Charakter
    Original:
    character
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    loc -
    locale
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    locale
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    Rückgabewert

    Gibt die Kleinbuchstaben Form ch wenn man in der locale aufgeführt ist, sonst zurück ch unverändert .
    Original:
    Returns the lowercase form of ch if one is listed in the locale, otherwise return ch unchanged.
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    Notes

    Nur 1:1 Zeichenzuordnung kann durch diese Funktion durchgeführt werden, zB der griechische Großbuchstabe 'Σ' hat zwei Kleinbuchstaben Formen, abhängig von der Position in einem Wort: "σ" und "ς". Ein Aufruf std::tolower kann nicht verwendet werden, um die korrekte Kleinbuchstaben Form in diesem Fall zu erhalten .
    Original:
    Only 1:1 character mapping can be performed by this function, e.g. the Greek uppercase letter 'Σ' has two lowercase forms, depending on the position in a word: 'σ' and 'ς'. A call to std::tolower cannot be used to obtain the correct lowercase form in this case.
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    Mögliche Implementierung

    template< class charT >
charT tolower( charT ch, const std::locale& loc ) {
    return std::use_facet<std::ctype<charT>>(loc).tolower(ch);
}

    Beispiel

    This section is incomplete
    Reason: no example

    Siehe auch
    wandelt ein Zeichen in Großbuchstaben mit dem ctype Facette eines locale
    Original:
    converts a character to uppercase using the ctype facet of a locale
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    (Funktions-Template) [edit]
    wandelt ein Zeichen in Kleinbuchstaben
    Original:
    converts a character to lowercase
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    (Funktion) [edit]
    wandelt eine weite Zeichen in Kleinbuchstaben
    Original:
    converts a wide character to lowercase
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    (Funktion) [edit]