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Diferencia entre revisiones de «cpp/string/multibyte/btowc»

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< cpp‎ | string‎ | multibyte
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{{dcl list see c | c/string/multibyte/btowc}}
 
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Revisión de 16:25 2 nov 2012

 
 
 
Cadenas multibyte terminadas en nulo
Ancho / multibyte conversiones
Original:
Wide/multibyte conversions
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Tipos
Original:
Types
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Definido en el archivo de encabezado <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

Parámetros

c -
carácter de un solo byte para ampliar
Original:
single-byte character to widen
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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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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'));
}

Salida:

wide: a
widened from narrow: a

Ver también

Plantilla:cpp/string/multibyte/dcl list wctobPlantilla:cpp/locale/ctype/dcl list do widen
C documentation for btowc