std::basic_streambuf::in_avail

 

C++

Linguaggio

Concetti

Libreria di Utilità

Stringhe

Contenitori

Algoritmi

Iteratori

Libreria matematca

Input/output

Localizzazione

Espressioni regolari(C++11)

Operazioni atomicche(C++11)

Multithreading(C++11)

 

Ingresso / libreria di output

I / O manipolatori

C-style I / O

Buffer Original: Buffers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf

basic_filebuf

basic_stringbuf

strstreambuf (deprecato)

Streams Original: Streams The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Astrazioni Original: Abstractions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

ios_base

basic_ios

basic_istream

basic_ostream

basic_iostream

File I / O Original: File I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_ifstream

basic_ofstream

basic_fstream

String I / O Original: String I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_istringstream

basic_ostringstream

basic_stringstream

Array I / O Original: Array I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

istrstream (deprecato)

ostrstream (deprecato)

strstream (deprecato)

Tipi Original: Types The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

streamoff

streamsize

fpos

Errore categoria interfaccia Original: Error category interface The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

iostream_category (C++11)

io_errc (C++11)

 

std::basic_streambuf

Funzioni membro pubbliche Original: Public member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf::~basic_streambuf

Versioni locali Original: Locales The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf::pubimbue

basic_streambuf::getloc

Posizionamento Original: Positioning The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf::pubsetbuf

basic_streambuf::pubseekoff

basic_streambuf::pubseekpos

basic_streambuf::pubsync

Prendi zona Original: Get area The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf::in_avail

basic_streambuf::snextc

basic_streambuf::sbumpc

basic_streambuf::sgetc

basic_streambuf::sgetn

Mettere zona Original: Put area The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf::sputc

basic_streambuf::sputn

Putback Original: Putback The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf::sputbackc

basic_streambuf::sungetc

Protetto funzioni membro Original: Protected member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf::basic_streambuf

basic_streambuf::operator= (C++11)

basic_streambuf::swap (C++11)

Versioni locali Original: Locales The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf::imbue

Posizionamento Original: Positioning The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf::setbuf

basic_streambuf::seekoff

basic_streambuf::seekpos

basic_streambuf::sync

Prendi zona Original: Get area The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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 Original: Put area The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf::xsputn

basic_streambuf::overflow

basic_streambuf::pbase basic_streambuf::pptr basic_streambuf::epptr

basic_streambuf::pbump

basic_streambuf::setp

Putback Original: Putback The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_streambuf::pbackfail

 

std::streamsize in_avail();

Restituisce il numero di caratteri disponibili nella zona get. Se una posizione di lettura è disponibile, restituisce efficacemente egptr()- gptr(), la dimensione dell'area di get. In questo caso, il numero di byte restituito è il numero di byte che possono essere estratti dal buffer senza chiamare 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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Se l'area get è vuota, chiama showmanyc() per determinare il numero di byte disponibili nella sequenza di caratteri associata. In questo caso, il valore restituito è il numero di byte che possono essere estratti dal buffer mentre è garantito che non sarebbe underflow()Traits::eof tornare.

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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Parametri

(Nessuno)

Original:

(none)

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Valore di ritorno

Il numero di caratteri disponibili nella zona get o nella sequenza di caratteri associati, o se non -1 caratteri sono disponibili nella sequenza associata.

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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Vedi anche

showmanyc [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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (virtuale protetto funzione of std::basic_filebuf membro)
readsome	estrae blocchi già disponibili di caratteri Original: extracts already available blocks of characters The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (metodo pubblico)