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std::basic_streambuf::showmanyc

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< cpp‎ | io‎ | basic streambuf

 
 
Entrada / salida de la biblioteca
I / O manipuladores
C-estilo I / O
Buffers
Original:
Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(obsoleto)
Arroyos
Original:
Streams
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Abstracciones
Original:
Abstractions
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ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
File I / O
Original:
File I/O
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basic_ifstream
basic_ofstream
basic_fstream
Cadena de I / O
Original:
String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
Matriz I / O
Original:
Array I/O
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istrstream(obsoleto)
ostrstream(obsoleto)
strstream(obsoleto)
Tipos
Original:
Types
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streamoff
streamsize
fpos
Error interfaz categoría
Original:
Error category interface
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iostream_category(C++11)
io_errc(C++11)
 
std::basic_streambuf
Las funciones públicas miembros
Original:
Public member functions
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basic_streambuf::~basic_streambuf
Locales
Original:
Locales
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basic_streambuf::pubimbue
basic_streambuf::getloc
Posicionamiento
Original:
Positioning
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basic_streambuf::pubsetbuf
basic_streambuf::pubseekoff
basic_streambuf::pubseekpos
basic_streambuf::pubsync
Obtenga zona
Original:
Get area
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basic_streambuf::in_avail
basic_streambuf::snextc
basic_streambuf::sbumpc
basic_streambuf::sgetc
basic_streambuf::sgetn
Ponga zona
Original:
Put area
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basic_streambuf::sputc
basic_streambuf::sputn
Dos puntos
Original:
Putback
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basic_streambuf::sputbackc
basic_streambuf::sungetc
Protegido funciones miembro
Original:
Protected member functions
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basic_streambuf::basic_streambuf
basic_streambuf::operator=(C++11)
basic_streambuf::swap(C++11)
Locales
Original:
Locales
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basic_streambuf::imbue
Posicionamiento
Original:
Positioning
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basic_streambuf::setbuf
basic_streambuf::seekoff
basic_streambuf::seekpos
basic_streambuf::sync
Obtenga zona
Original:
Get area
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basic_streambuf::showmanyc
basic_streambuf::underflow
basic_streambuf::uflow
basic_streambuf::xsgetn
basic_streambuf::eback
basic_streambuf::gptr
basic_streambuf::egptr
basic_streambuf::gbump
basic_streambuf::setg
Ponga zona
Original:
Put area
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basic_streambuf::xsputn
basic_streambuf::overflow
basic_streambuf::pbase
basic_streambuf::pptr
basic_streambuf::epptr
basic_streambuf::pbump
basic_streambuf::setp
Dos puntos
Original:
Putback
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basic_streambuf::pbackfail
 
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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Contenido

[editar] Parámetros

(Ninguno)
Original:
(none)
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[editar] 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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[editar] Ejemplo

[editar] Ver también

obtiene el número de caracteres disponibles de inmediato en la zona get
Original:
obtains the number of characters immediately available in the get area
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(miembro público función) [edit]
[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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(virtuales protegidos of std::basic_filebuf miembro de función) [edit]