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std::wcslen

Da cppreference.com
< cpp‎ | string‎ | wide

 
 
Biblioteca cordas
Strings terminadas
Original:
Null-terminated strings
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Cadeias de bytes
Multibyte cordas
Cordas de largura
Classes
Original:
Classes
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Strings terminadas largura
Funções
Original:
Functions
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Manipulação personagem
Original:
Character manipulation
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Conversões para formatos numéricos
Original:
Conversions to numeric formats
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Manipulação de cadeia
Original:
String manipulation
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Manipulação matriz
Original:
Array manipulation
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Definido no cabeçalho <cwchar>
std::size_t wcslen(constwchar_t*str );
Retorna o comprimento de uma corda de largura, que é o número de não-nulos caracteres largos que precedem o caractere nulo de terminação de largura.
Original:
Returns the length of a wide string, that is the number of non-null wide characters that precede the terminating null wide character.
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Índice

[editar]Parâmetros

str -
ponteiro para a string terminada em null larga para ser examinado
Original:
pointer to the null-terminated wide string to be examined
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[editar]Valor de retorno

O comprimento da string terminada em null ampla str.
Original:
The length of the null-terminated wide string str.
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[editar]Exemplo

#include <iostream>#include <cwchar>int main(){constwchar_t* str = L"Hello, world!";std::wcout<<"The length of L\""<< str <<"\" is "<< std::wcslen(str)<<'\n';}

Saída:

The length of L"Hello, world!" is 13

[editar]Veja também

Documentação C para wcslen
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