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      std::basic_streambuf::showmanyc

      Da cppreference.com
      < cpp‎ | io‎ | basic streambuf

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      C++
       
      De entrada / saída da biblioteca
      I / O manipuladores
      C estilo de I / O
      Buffers
      Original:
      Buffers
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      (obsoleta)
      Streams
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      Streams
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      Abstrações
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      Abstractions
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      File I / O
      Original:
      File I/O
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      Cordas I / O
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      String I/O
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      Matriz de I / O
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      Array I/O
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      (obsoleta)
      (obsoleta)
      (obsoleta)
      Tipos
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      Types
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      Interface de categoria de erro
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      Error category interface
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      (C++11)
      (C++11)
       
      std::basic_streambuf
      Membro funções públicas
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      Public member functions
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      basic_streambuf::~basic_streambuf
      Localidades
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      Locales
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      basic_streambuf::pubimbue
      basic_streambuf::getloc
      Posicionamento
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      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
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      Put area
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      basic_streambuf::sputc
      basic_streambuf::sputn
      Putback
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      Putback
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      basic_streambuf::sputbackc
      basic_streambuf::sungetc
      Protegido funções de membro
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      Protected member functions
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      basic_streambuf::basic_streambuf
      basic_streambuf::operator=(C++11)
      basic_streambuf::swap(C++11)
      Localidades
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      Locales
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      basic_streambuf::imbue
      Posicionamento
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      Positioning
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      basic_streambuf::setbuf
      basic_streambuf::seekoff
      basic_streambuf::seekpos
      basic_streambuf::sync
      Obter área
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      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
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      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
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      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

      Esta seção está incompleta
      Motivo: sem 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]
      Obtida de "https://pt.cppreference.com/mwiki/index.php?title=cpp/io/basic_streambuf/showmanyc&oldid=20713"
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