C-Programmierung

File Write

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Nachdem eine Datei zum Schreiben geöffnet wurde, können Daten abgespeichert werden.

Zeichenweise:

/* write one byte into file */
/* returns character written or EOF in case of an error */
int fputc(FILE *file);

Zeilenweise:

/* write a text line to file */
/* returns number of printed characters or negative number in case of an error */
int fprintf(FILE *file, char *format, ...);

Blockweise:

/* read a raw data block consisting of one or more equally sized items */
/* returns number of items written */
int fwrite(char *buffer, unsigned int size, unsigned int items, FILE *file);


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