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    std::basic_streambuf::showmanyc

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    <metanoindex/>

     
    C++
     
    Ingresso / libreria di output
    I / O manipolatori
    C-style I / O
    Buffer
    Original:
    Buffers
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    basic_streambuf
    basic_filebuf
    basic_stringbuf
    strstreambuf(deprecato)
    Streams
    Original:
    Streams
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    Astrazioni
    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
    String I / O
    Original:
    String I/O
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    basic_istringstream
    basic_ostringstream
    basic_stringstream
    Array I / O
    Original:
    Array I/O
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    istrstream(deprecato)
    ostrstream(deprecato)
    strstream(deprecato)
    Tipi
    Original:
    Types
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    streamoff
    streamsize
    fpos
    Errore categoria interfaccia
    Original:
    Error category interface
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    iostream_category(C++11)
    io_errc(C++11)
     
    std::basic_streambuf
    Funzioni membro pubbliche
    Original:
    Public member functions
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    basic_streambuf::~basic_streambuf
    Versioni locali
    Original:
    Locales
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    basic_streambuf::pubimbue
    basic_streambuf::getloc
    Posizionamento
    Original:
    Positioning
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    basic_streambuf::pubsetbuf
    basic_streambuf::pubseekoff
    basic_streambuf::pubseekpos
    basic_streambuf::pubsync
    Prendi zona
    Original:
    Get area
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    basic_streambuf::in_avail
    basic_streambuf::snextc
    basic_streambuf::sbumpc
    basic_streambuf::sgetc
    basic_streambuf::sgetn
    Mettere zona
    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
    Protetto funzioni membro
    Original:
    Protected member functions
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    basic_streambuf::basic_streambuf
    basic_streambuf::operator=(C++11)
    basic_streambuf::swap(C++11)
    Versioni locali
    Original:
    Locales
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    basic_streambuf::imbue
    Posizionamento
    Original:
    Positioning
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    basic_streambuf::setbuf
    basic_streambuf::seekoff
    basic_streambuf::seekpos
    basic_streambuf::sync
    Prendi 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
    Mettere zona
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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
     
    <tbody> </tbody>
    protected: std::streamsize showmanyc();
    Stima il numero di caratteri disponibili per l'ingresso nella sequenza di caratteri associata. underflow() è garantito di non tornare traits::eof() almeno fino a che i caratteri vengono estratti molti.
    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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    Parametri

    (Nessuno)
    Original:
    (none)
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    Valore di ritorno

    Il numero di caratteri disponibili nella sequenza, o se non -1 caratteri disponibili. In tal caso, underflow() e uflow() fallirà.
    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 versione della classe base restituisce 0.
    Original:
    The base class version returns 0.
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    Esempio

    This section is incomplete
    Reason: no example

    Vedi anche
    ottiene il numero di caratteri immediatamente disponibili nella zona get
    Original:
    obtains the number of characters immediately available in the get area
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    (metodo pubblico) [modifica]
    [virtuale]
    fornisce facoltativamente il numero di caratteri disponibili per l'input dal file
    Original:
    optionally provides the number of characters available for input from the file
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    (virtuale protetto funzione of std::basic_filebuf membro) [modifica]