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std::basic_streambuf::showmanyc

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< cpp‎ | io‎ | basic streambuf

 
 
De entrada / saída da biblioteca
I / O manipuladores
C estilo de I / O
Buffers
Original:
Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(obsoleta)
Streams
Original:
Streams
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Abstrações
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
Cordas I / O
Original:
String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
Matriz de I / O
Original:
Array I/O
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istrstream(obsoleta)
ostrstream(obsoleta)
strstream(obsoleta)
Tipos
Original:
Types
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streamoff
streamsize
fpos
Interface de categoria de erro
Original:
Error category interface
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iostream_category(C++11)
io_errc(C++11)
 
std::basic_streambuf
Membro funções públicas
Original:
Public member functions
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basic_streambuf::~basic_streambuf
Localidades
Original:
Locales
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basic_streambuf::pubimbue
basic_streambuf::getloc
Posicionamento
Original:
Positioning
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basic_streambuf::pubsetbuf
basic_streambuf::pubseekoff
basic_streambuf::pubseekpos
basic_streambuf::pubsync
Obter área
Original:
Get area
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basic_streambuf::in_avail
basic_streambuf::snextc
basic_streambuf::sbumpc
basic_streambuf::sgetc
basic_streambuf::sgetn
Coloque área
Original:
Put area
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basic_streambuf::sputc
basic_streambuf::sputn
Putback
Original:
Putback
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basic_streambuf::sputbackc
basic_streambuf::sungetc
Protegido funções de membro
Original:
Protected member functions
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basic_streambuf::basic_streambuf
basic_streambuf::operator=(C++11)
basic_streambuf::swap(C++11)
Localidades
Original:
Locales
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basic_streambuf::imbue
Posicionamento
Original:
Positioning
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basic_streambuf::setbuf
basic_streambuf::seekoff
basic_streambuf::seekpos
basic_streambuf::sync
Obter área
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
Coloque área
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
Putback
Original:
Putback
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basic_streambuf::pbackfail
 
protected:
std::streamsize showmanyc();
Estima que o número de caracteres disponíveis para a entrada na seqüência de caracteres associado. underflow() é a garantia de não voltar traits::eof() pelo menos até que muitos personagens são extraídos.
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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Índice

[editar] Parâmetros

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

O número de caracteres disponíveis na seqüência, ou se não -1 caracteres estão disponíveis. Nesse caso, e underflow() uflow() falhará.
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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A versão classe base retorna 0.
Original:
The base class version returns 0.
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[editar] Exemplo

[editar] Veja também

obtém o número de caracteres disponíveis imediatamente na área get
Original:
obtains the number of characters immediately available in the get area
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(função pública membro) [edit]
[virtual]
opcionalmente fornece o número de caracteres disponíveis para a entrada do arquivo
Original:
optionally provides the number of characters available for input from the file
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(virtual protegido of std::basic_filebuf função de membro) [edit]