2 #define HEADER_FILE_H 1
10 void file_close (struct file *);
11 off_t file_read (struct file *, void *, off_t);
12 off_t file_write (struct file *, const void *, off_t);
13 off_t file_length (struct file *);
14 void file_seek (struct file *, off_t);
15 off_t file_tell (struct file *);