std::iscntrl<div class="t-tr-text">(STD :: локаль)<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>

 

C++

Язык

Понятия (концепции)

Утилиты

Строки

Контейнеры

Алгоритмы

Итераторы

Работа с числами

Ввод / вывод

Локализация

Регулярные выражения (C++11)

Атомарные примитивы (C++11)

Потоки (C++11)

 

Локализация библиотеки

Языки и граней 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
Персонаж классификации 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
Преобразования 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 классов категории базу 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 категорий 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
Язык конкретных аспектов 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
Код аспекты преобразования 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 локали 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

 

Заголовочный файл <locale>
template< class charT > bool iscntrl( charT ch, const locale& loc );

Проверяет, является ли данный символ классифицируется как символ управления по std::ctype аспект данной локали.

Original:

Checks if the given character classified as a control character by the given locale's std::ctype facet.

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

Параметры

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

Возвращаемое значение

Возврат true, если символ классифицируется как управляющий символ, false иначе.

Original:

Returns true if the character is classified as a control character, false otherwise.

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

Возможная реализация

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); }

Пример

Демонстрирует использование iscntrl () с разных языков (OS-специфические) .

Original:

Demonstrates the use of iscntrl() with different locales (OS-specific).

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

#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';
}

Вывод:

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

См. также

iscntrl	проверяет, является ли символ управляющим символом 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. (функция)
iswcntrl	проверяет, является ли широкий символ является управляющим символом 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. (функция)