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std::basic_streambuf::in_avail

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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
 
std::streamsize in_avail();
Devuelve el número de caracteres disponibles en la zona get. Si una posición de lectura está disponible, devuelve egptr() - gptr() efectivamente, el tamaño de la zona de obtención. En este caso, el número de bytes devuelto es el número de bytes que se pueden extraer de la memoria intermedia sin llamar underflow() .
Original:
Returns the number of characters available in the get area. If a read position is available, effectively returns egptr() - gptr(), the size of the get area. In this case, the number of bytes returned is the number of bytes that can be extracted from the buffer without calling underflow().
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Si el área get está vacío, llama showmanyc() para determinar el número de bytes disponibles en la secuencia de caracteres asociado. En este caso, el valor devuelto es el número de bytes que se pueden extraer de la memoria intermedia, mientras que se garantiza que no se underflow() Traits::eof volver .
Original:
If the get area is empty, calls showmanyc() to determine the number of bytes available in the associated character sequence. In this case, the value returned is the number of bytes that can be extracted from the buffer while it's guaranteed that underflow() would not return Traits::eof.
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Contenido

[editar] Parámetros

(Ninguno)
Original:
(none)
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[editar] Valor de retorno

El número de caracteres disponibles en el área get o en la secuencia de caracteres asociada, o -1 si no hay caracteres están disponibles en la secuencia asociada .
Original:
The number of characters available in the get area or in the associated character sequence, or -1 if no characters are available in the associated sequence.
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[editar] Ejemplo

[editar] Ver también

[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]
extrae los bloques que ya están disponibles los personajes
Original:
extracts already available blocks of characters
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(miembro público of std::basic_istream función) [edit]