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std::btowc

De cppreference.com
< cpp‎ | string‎ | multibyte

 
 
Strings biblioteca
Terminadas en nulo
Original:
Null-terminated strings
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Cadenas de bytes
Multibyte cuerdas
Cadenas anchas
Clases
Original:
Classes
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basic_string
char_traits
 
Terminadas en nulo de varios bytes
Ancho / multibyte conversiones
Original:
Wide/multibyte conversions
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mbsinit
Tipos
Original:
Types
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mbstate_t
 
Defined in header <cwchar>
std::wint_t btowc( int c );
Amplía una c caracteres de un solo byte en su equivalente de caracteres anchos .
Original:
Widens a single-byte character c to its wide character equivalent.
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Codificaciones de caracteres multibyte utilizar más de un byte códigos para representar los caracteres del juego de caracteres ASCII. Esta función puede ser utilizada para convertir estos caracteres wchar_t .
Original:
Most multibyte character encodings use single-byte codes to represent the characters from the ASCII character set. This function may be used to convert such characters to wchar_t.
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Contenido

[editar] Parámetros

c -
carácter de un solo byte para ampliar
Original:
single-byte character to widen
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[editar] Valor de retorno

WEOF if c is EOF.

Representación de caracteres gama de c (unsigned char)c si es válido un solo byte en el estado inicial de cambios, de lo contrario WEOF .
Original:
Wide character representation of c if (unsigned char)c is a valid single-byte character in the initial shift state, WEOF otherwise.
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[editar] Ejemplo

#include <cwchar>
#include <cstdio>
#include <clocale>
 
int main()
{
    std::setlocale(LC_ALL, "");
    std::wprintf(L"wide: %lc\nwidened from narrow: %lc\n", L'a', std::btowc('a'));
}

Output:

wide: a
widened from narrow: a

[editar] Ver también

reduce un carácter ancho a un carácter estrecho de un solo byte, si es posible
Original:
narrows a wide character to a single-byte narrow character, if possible
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(función) [edit]
[virtual]
convierte un carácter o caracteres de char a charT
Original:
converts a character or characters from char to charT
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(virtuales protegidos of std::ctype miembro de función) [edit]
C documentation for btowc