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    std::basic_streambuf::showmanyc

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    <metanoindex/>

     
    C++
     
    D'entrée / sortie de bibliothèque
    I / O manipulateurs
    C-style I / O
    Tampons
    Original:
    Buffers
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    basic_streambuf
    basic_filebuf
    basic_stringbuf
    strstreambuf (obsolète)
    Cours d'eau
    Original:
    Streams
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    Abstractions
    Original:
    Abstractions
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    ios_base
    basic_ios
    basic_istream
    basic_ostream
    basic_iostream
    Fichier E / O
    Original:
    File I/O
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    basic_ifstream
    basic_ofstream
    basic_fstream
    Chaîne I / O
    Original:
    String I/O
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    basic_istringstream
    basic_ostringstream
    basic_stringstream
    Tableau I / O
    Original:
    Array I/O
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    istrstream (obsolète)
    ostrstream (obsolète)
    strstream (obsolète)
    Types
    Original:
    Types
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    streamoff
    streamsize
    fpos
    Interface catégorie d'erreur
    Original:
    Error category interface
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    iostream_category (C++11)
    io_errc (C++11)
     
    std::basic_streambuf
    Fonctions membres publiques
    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
    Positionnement
    Original:
    Positioning
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    basic_streambuf::pubsetbuf
    basic_streambuf::pubseekoff
    basic_streambuf::pubseekpos
    basic_streambuf::pubsync
    Obtenez région
    Original:
    Get area
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    basic_streambuf::in_avail
    basic_streambuf::snextc
    basic_streambuf::sbumpc
    basic_streambuf::sgetc
    basic_streambuf::sgetn
    Mettez région
    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
    Protégé fonctions membres
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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)
    Locales
    Original:
    Locales
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    basic_streambuf::imbue
    Positionnement
    Original:
    Positioning
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    basic_streambuf::setbuf
    basic_streambuf::seekoff
    basic_streambuf::seekpos
    basic_streambuf::sync
    Obtenez région
    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
    Mettez région
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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();
    Estimer le nombre de caractères disponibles pour l'entrée dans la séquence de caractères associée. underflow() est garanti de ne pas retourner traits::eof() au moins jusqu'à ce que le nombre de caractères extraite .
    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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    Paramètres

    (Aucun)
    Original:
    (none)
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    Retourne la valeur

    Le nombre de caractères disponibles dans la séquence, ou -1 si aucun caractère n'est disponible. Dans ce cas, underflow() et uflow() échouera .
    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 version classe de base retourne 0 .
    Original:
    The base class version returns 0.
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    Exemple

    This section is incomplete
    Reason: no example

    Voir aussi
    obtient le nombre de caractères disponibles immédiatement dans la zone d'obtention
    Original:
    obtains the number of characters immediately available in the get area
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    (fonction membre publique) [edit]
    [
    virtuel
    Original:
    virtual
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    ]
    fournit éventuellement le nombre de caractères disponibles pour l'entrée à partir du fichier
    Original:
    optionally provides the number of characters available for input from the file
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    (fonction membre virtuelle protégée de std::basic_filebuf) [edit]