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std::basic_streambuf<CharT,Traits>::showmanyc

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(C++11)
 
std::basic_streambuf
Las funciones públicas miembros
Original:
Public member functions
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Locales
Original:
Locales
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Posicionamiento
Original:
Positioning
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Obtenga zona
Original:
Get area
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Ponga zona
Original:
Put area
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Dos puntos
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Putback
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Protegido funciones miembro
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Protected member functions
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Locales
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Locales
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Posicionamiento
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Positioning
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Obtenga zona
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Get area
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Ponga zona
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Put area
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Dos puntos
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Putback
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<tbody> </tbody>
protected: std::streamsize showmanyc();
Estima el número de caracteres disponibles para la entrada en la secuencia de caracteres asociados. underflow() se garantiza que no se vuelva traits::eof() por lo menos hasta que se extraen muchos personajes .
Original:
Estimates the number of characters available for input in the associated character sequence. underflow() is guaranteed not to return traits::eof() until at least that many characters are extracted.
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Parámetros

(Ninguno)
Original:
(none)
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Valor de retorno

El número de caracteres disponibles en la secuencia, o -1 si no hay caracteres disponibles. En ese caso, underflow() y uflow() fallará .
Original:
The number of characters available in the sequence, or -1 if no characters are available. In that case, underflow() and uflow() will fail.
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La versión de la clase base devuelve 0 .
Original:
The base class version returns 0.
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Ejemplo

Ver también

Obtiene el número de caracteres disponibles de inmediato en la zona de obtención.
(función miembro pública) [editar]
[virtual]
proporciona opcionalmente el número de caracteres disponibles para la entrada de los autos
Original:
optionally provides the number of characters available for input from the file
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(función miembro virtual protegida de std::basic_filebuf) [editar]