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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Lokalisierungen Bibliothek

Locales und Facetten Original: Locales and facets The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
locale
use_facet	has_facet
Buchstaben-Klassifikation Original: Character classification The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
isspace isblank (C++11) iscntrl isupper islower isalpha	isdigit ispunct isxdigit isalnum isprint isgraph
Conversions Original: Conversions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
toupper tolower	wstring_convert (C++11) wbuffer_convert (C++11)
Facet Kategorie Basisklassen Original: Facet category base classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ctype_base codecvt_base messages_base	time_base money_base
Facet Kategorien Original: Facet categories The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ctype ctype<char> codecvt collate messages time_get time_put	num_get num_put numpunct money_get money_put moneypunct
Locale-spezifische Facetten Original: Locale-specific facets The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ctype_byname ctype_byname<char> codecvt_byname messages_byname collate_byname	time_get_byname time_put_byname numpunct_byname moneypunct_byname
Code-Konvertierung Facetten Original: Code conversion facets The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
codecvt_utf8 (C++11) codecvt_utf16 (C++11)	codecvt_utf8_utf16 (C++11) codecvt_mode (C++11)
C locale Original: C locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
setlocale localeconv lconv	LC_ALL LC_COLLATE LC_CTYPE LC_MONETARY LC_NUMERIC LC_TIME

 

Defined 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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
loc	-	locale Original: locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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

iscntrl	prüft, ob ein Zeichen ein Steuerzeichen ist Original: checks if a character is a control character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion)
iswcntrl	prüft, ob eine große Charakter ist ein Steuerzeichen Original: checks if a wide character is a control character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktion)