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    std::iscntrl<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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    This page has been machine-translated from the English version of the wiki using Google Translate.

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    <metanoindex/>

     
    C++
     
    Lokalisierungen Bibliothek
    Locales und Facetten
    Original:
    Locales and facets
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    locale
    Buchstaben-Klassifikation
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    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
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    Facet categories
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    Locale-spezifische Facetten
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    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 > bool iscntrl( charT ch, const locale& loc );


    Prüft, ob der angegebene Zeichen als Steuerzeichen durch den angegebenen Gebietsschemas std::ctype Facette eingestuft .
    Original:
    Checks if the given character classified as a control character 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

    Versandkosten true, wenn das Zeichen als Steuerzeichen eingestuft, false sonst .
    Original:
    Returns true if the character is classified as a control character, false otherwise.
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    Mögliche Implementierung

    template< class charT >
bool iscntrl( charT ch, const std::locale& loc ) {
    return std::use_facet<std::ctype<charT>>(loc).is(std::ctype_base::cntrl, ch);
}

    Beispiel

    Veranschaulicht die Verwendung von iscntrl () mit verschiedenen locales (OS-spezifische) .
    Original:
    Demonstrates the use of iscntrl() with different locales (OS-specific).
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    #include <iostream>
#include <locale>
int main()
{
    const wchar_t CCH = L'\u0094'; // Destructive Backspace in Unicode

    std::locale loc1("C");
    std::cout << "iscntrl(CCH, C locale) returned "
              << std::boolalpha << std::iscntrl(CCH, loc1) << '\n';

    std::locale loc2("en_US.UTF8");
    std::cout << "iscntrl(CCH, Unicode locale) returned "
              << std::boolalpha << std::iscntrl(CCH, loc2) << '\n';
}

    Output: 

    iscntrl(CCH, C locale) returned false
iscntrl(CCH, Unicode locale) returned true

    Siehe auch
    prüft, ob ein Zeichen ein Steuerzeichen ist
    Original:
    checks if a character is a control character
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    (Funktion) [edit]
    prüft, ob eine große Charakter ist ein Steuerzeichen
    Original:
    checks if a wide character is a control character
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    (Funktion) [edit]