fopen

 

C

Langue

Tapez soutien

La gestion dynamique de la mémoire

Erreur de manipulation

Programme des services publics

Utilitaires date et l'heure

Bibliothèque cordes

Algorithmes

Numerics

D'entrée / sortie de support

Support de localisation

Le support des threads (C11)

Les opérations atomiques (C11)

 

Fichier d'entrée / sortie

Fonctions Original: Functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Déposer accès 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
Entrée / sortie directe 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
Entrée non formatée / sortie 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
Mise en forme d'entrée / sortie 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
Fichier de positionnement 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
Erreur de manipulation 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
Les opérations sur les fichiers 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

 

Défini dans l'entête <stdio.h>
FILE *fopen( const char *filename, const char *mode );

Ouvre un fichier indiqué par filename et renvoie un flux de fichier associé à ce fichier. mode est utilisé pour déterminer le mode d'accès aux fichiers .

Original:

Opens a file indicated by filename and returns a file stream associated with that file. mode is used to determine the file access mode.

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

Paramètres

filename	-	nom de fichier à associer le flux de fichier Original: file name to associate the file stream to The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
mode	-	chaîne de caractères terminée par NULL déterminer le mode d'accès aux fichiers File access mode string Meaning Explanation Action if file already exists Action if file does not exist "r" read Open a file for reading read from start failure to open "w" write Create a file for writing destroy contents create new "a" append Append to a file write to end create new "r+" read extended Open a file for read/write read from start error "w+" write extended Create a file for read/write destroy contents create new "a+" append extended Open a file for read/write write to end create new File access mode flag "b" can optionally be specified to open a file in binary mode. This flag has effect only on Windows systems. On the append file access modes, data is written to the end of the file regardless of the current position of the file position indicator. Original: null-terminated character string determining file access mode File access mode string Meaning Explanation Action if file already exists Action if file does not exist "r" read Open a file for reading read from start failure to open "w" write Create a file for writing destroy contents create new "a" append Append to a file write to end create new "r+" read extended Open a file for read/write read from start error "w+" write extended Create a file for read/write destroy contents create new "a+" append extended Open a file for read/write write to end create new File access mode flag "b" can optionally be specified to open a file in binary mode. This flag has effect only on Windows systems. On the append file access modes, data is written to the end of the file regardless of the current position of the file position indicator. The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Retourne la valeur

Ouvert flux de fichier en cas de succès, NULL cas d'échec

Original:

Opened file stream on success, NULL on failure

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

Voir aussi

fclose	ferme un fichier Original: closes a file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction)
fflush	synchronise un flux de sortie avec le fichier réel Original: synchronizes an output stream with the actual file The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction)
freopen	ouvrir un flux existant sous un nom différent Original: open an existing stream with a different name The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction)
C++ documentation for fopen