std::towupper
De cppreference.com
<metanoindex/>
<tbody> </tbody>| Definido no cabeçalho <cwctype>
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std::wint_t towupper( std::wint_t ch ); |
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Converte o caráter dado ampla para maiúsculas, se possível.
Original:
Converts the given wide character to uppercase, if possible.
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Parâmetros
| ch | - | caracteres largos para ser convertido
Original: wide character to be converted The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Valor de retorno
Versão em maiúsculas ou
ch ch não modificada se nenhuma versão maiúscula é listada na localidade C atual.Original:
Uppercase version of
ch or unmodified ch if no uppercase version is listed in the current C locale.The text has been machine-translated via Google Translate.
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Notas
Apenas 01:01 mapeamento de caracteres pode ser realizada por esta função, por exemplo, a forma maiúscula de 'SS' é (com algumas exceções) de dois caracteres string "SS", que não pode ser obtido por std::towupper.
Original:
Only 1:1 character mapping can be performed by this function, e.g. the uppercase form of 'ß' is (with some exceptions) the two-character string "SS", which cannot be obtained by std::towupper.
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Exemplo
O letra 's' (U 017 F) latin é a forma alternativa minúsculas de 'S' (U 0053)
Original:
The latin letra 's' (U 017 F) is the alternative lowercase form of 'S' (U+0053)
The text has been machine-translated via Google Translate.
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#include <iostream>
#include <cwctype>
#include <clocale>
int main()
{
wchar_t c = L'\u017f'; // Latin small letter Long S ('ſ')
std::cout << std::hex << std::showbase;
std::cout << "in the default locale, towupper(" << (std::wint_t)c << ") = "
<< std::towupper(c) << '\n';
std::setlocale(LC_ALL, "en_US.utf8");
std::cout << "in Unicode locale, towupper(" << (std::wint_t)c << ") = "
<< std::towupper(c) << '\n';
}
Saída:
in the default locale, towupper(0x17f) = 0x17f
in Unicode locale, towupper(0x17f) = 0x53