-/* A single directory entry. */
-struct dir_entry
- {
- bool in_use; /* In use or free? */
- char name[NAME_MAX + 1]; /* Null terminated file name. */
- disk_sector_t filehdr_sector; /* Sector number of header. */
- };
+/* Opening and closing directories. */
+bool dir_create (disk_sector_t sector, size_t entry_cnt);
+struct dir *dir_open (struct inode *);
+struct dir *dir_open_root (void);
+struct dir *dir_reopen (struct dir *);
+void dir_close (struct dir *);
+struct inode *dir_get_inode (struct dir *);