GfsDirId *dir

access macro	type	Description
GFS_DIR_FAD (dir)	Sint32	First FAD of file
GFS_DIR_SIZE (dir)	Sint32	File size (Unit is bytes)
GFS_DIR_FN (dir)	Uint8	File number
GFS_DIR_ATR (dir)	Uint8	File attributes
GFS_DIR_UNIT (dir)	Uint8	File unit size (Unit: Sector)
GFS_DIR_GAP (dir)	Uint8	Gap size of file (Unit is sector)

GfsDirName *dir

access macro	type	Description
GFS_DIR_FAD (dir)	Sint32	First FAD of file
GFS_DIR_SIZE (dir)	Sint32	File size (Unit is bytes)
GFS_DIR_FN (dir)	Uint8	File number
GFS_DIR_ATR (dir)	Uint8	File attributes
GFS_DIR_UNIT (dir)	Uint8	File unit size (Unit: Sector)
GFS_DIR_GAP (dir)	Uint8	Gap size of file (Unit: Sector)
GFS_DIR_FNAME (dir)	Uint8 []	File name *1

* 1: The area size is 12 bytes. When the file name length is 12 bytes, the string does not end with '\ 0'.