Namespace
Varianti

std::fsetpos

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Ingresso / libreria di output
I / O manipolatori
C-style I / O
Buffer
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Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf(deprecato)
Streams
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Streams
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Astrazioni
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Abstractions
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ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
File I / O
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File I/O
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basic_ifstream
basic_ofstream
basic_fstream
String I / O
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String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
Array I / O
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Array I/O
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istrstream(deprecato)
ostrstream(deprecato)
strstream(deprecato)
Tipi
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Types
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streamoff
streamsize
fpos
Errore categoria interfaccia
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Error category interface
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iostream_category(C++11)
io_errc(C++11)
 
C-style I / O
Funzioni
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Functions
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Accesso ai file
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File access
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Diretta input / output
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Direct input/output
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fread
fwrite
Ingresso formattato / uscita
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Unformatted input/output
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Formattato di input / output
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Formatted input/output
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File di posizionamento
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File positioning
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ftell
fgetpos
fseek
fsetpos
rewind
La gestione degli errori
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Error handling
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clearerr
feof
ferror
perror
Le operazioni sui file
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Operations on files
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remove
rename
tmpfile
tmpnam
 
Defined in header <cstdio>
int fsetpos( std::FILE* stream, const std::fpos_t* pos );
Consente di impostare l'indicatore di posizione del file e lo stato di analisi multibyte (se presente) per il flusso di file C stream in base al valore puntato da pos.
Original:
Sets the file position indicator and the multibyte parsing state (if any) for the C file stream stream according to the value pointed to by pos.
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Oltre a stabilire nuovo stato e la posizione di analisi, una chiamata a questa funzione annulla gli effetti della std::ungetc e cancella la fine del file di stato, se è impostata.
Original:
Besides establishing new parse state and position, a call to this function undoes the effects of std::ungetc and clears the end-of-file state, if it is set.
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Se una lettura o scrittura di errore, l'indicatore di errore (std::ferror) per il flusso viene impostato.
Original:
If a read or write error occurs, the error indicator (std::ferror)for the stream is set.
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[modifica] Parametri

stream -
stream file da modificare
Original:
file stream to modify
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pos -
puntatore a un oggetto fpos_t ottenuto da std::fgetpos chiamato un flusso associato con lo stesso file
Original:
pointer to a fpos_t object obtained from std::fgetpos called on a stream associated with the same file
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[modifica] Valore di ritorno

0 caso di successo, valore diverso da zero in caso contrario. Inoltre, imposta errno in caso di fallimento.
Original:
0 upon success, nonzero value otherwise. Also, sets errno on failure.
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[modifica] Vedi anche

ottiene l'indicatore di posizione del file
Original:
gets the file position indicator
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(funzione) [edit]
restituisce l'attuale indicatore di posizione del file
Original:
returns the current file position indicator
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(funzione) [edit]
si sposta l'indicatore di posizione file in una posizione specifica in un file
Original:
moves the file position indicator to a specific location in a file
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(funzione) [edit]
C documentation for fsetpos