setvbuf

 

C

Lingua

Tipo di supporto

Gestione della memoria dinamica

La gestione degli errori

Programma di utilità

Data e ora utilità

Stringhe libreria

Algoritmi

Numeri

Ingresso / uscita supporto

Localizzazione supporto

Thread di supporto(C11)

Operazioni atomiche(C11)

 

File input/output

Funzioni Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Accesso ai file Original: File access The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
fopen freopen fclose fflush	fwide setbuf setvbuf
Diretta input / output Original: Direct input/output The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
fread
fwrite
Ingresso formattato / uscita Original: Unformatted input/output The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
fgetc fgets fputc fputs getchar gets putchar puts ungetc	fgetwc fgetws fputwc fputws getwchar putwchar ungetwc
Formattato di input / output Original: Formatted input/output The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
scanf fscanf sscanf vscanf vfscanf vsscanf (C99) (C99) (C99) printf fprintf sprintf snprintf (C99) vprintf vfprintf vsprintf vsnprintf (C99)	wscanf fwscanf swscanf vwscanf vfwscanf vswscanf (C99) (C99) (C99) wprintf fwprintf swprintf vwprintf vfwprintf vswprintf
File di posizionamento Original: File positioning The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ftell
fgetpos
fseek
fsetpos
rewind
La gestione degli errori Original: Error handling The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
clearerr
feof
ferror
perror
Le operazioni sui file Original: Operations on files The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
remove
rename
tmpfile
tmpnam

 

Elemento definito nell'header <stdio.h>
int setvbuf(FILE*stream, char*buffer, int mode, size_t size );

Consente di impostare il buffer interno del stream file dato flusso.

Original:

Sets the internal buffer of the given file stream stream.

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Parametri

stream	-	il flusso di file per impostare il buffer Original: the file stream to set the buffer to The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
buffer	-	puntatore a un buffer per il flusso da utilizzare Original: pointer to a buffer for the stream to use The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
mode	-	buffer modalità da utilizzare. Può essere uno dei seguenti valori: _IOFBF full buffering _IOLBF line buffering _IONBF no buffering Original: buffering mode to use. It can be one of the following values: _IOFBF full buffering _IOLBF line buffering _IONBF no buffering The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
size	-	dimensione del buffer Original: size of the buffer The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Valore di ritorno

​0​ di successo, diverso da zero in caso di fallimento.

Original:

​0​ on success or nonzero on failure.

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Note

Questa funzione può essere utilizzata solo dopo stream è stata associata a un file aperto, ma prima di qualsiasi altra operazione.

Original:

This function may only be used after stream has been associated with an open file, but before any other operation.

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buffer può essere null, nel qual caso questa chiamata ridimensiona solo il buffer interno.

Original:

buffer may be null, in which case this call only resizes the internal buffer.

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Vedi anche

setbuf	imposta il buffer per un flusso di file Original: sets the buffer for a file stream The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione)
C++ documentation for setvbuf