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std::towupper

Da cppreference.com
< cpp‎ | string‎ | wide

 
 
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Null-terminated strings
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Classes
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Functions
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Character manipulation
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Conversions to numeric formats
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String manipulation
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Defined in header <cwctype>
std::wint_t towupper( std::wint_t ch );
Converte o caráter dado ampla para maiúsculas, se possível.
Original:
Converts the given wide character to uppercase, if possible.
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Índice

[editar] Parâmetros

ch -
caracteres largos para ser convertido
Original:
wide character to be converted
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[editar] 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.
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[editar] 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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[editar] 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)
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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';
}

Output:

in the default locale, towupper(0x17f) = 0x17f
in Unicode locale, towupper(0x17f) = 0x53

[editar] Veja também

converte um caractere largo para minúsculas
Original:
converts a wide character to lowercase
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(função) [edit]
converte um caractere em maiúsculas usando a faceta ctype de uma localidade
Original:
converts a character to uppercase using the ctype facet of a locale
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(modelo de função) [edit]
converte um caracter para maiúsculas
Original:
converts a character to uppercase
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(função) [edit]
C documentation for towupper