INT 21 - DBLSPACE.BIN v6.2 - IOCTL - GET ??? FOR SPECIFIED DRIVE AX = 4404h BL = drive number (00h = default, 01h = A:, etc) CX = size of DSPACKET structure (ignored in DOS 6.2) DS:DX -> DSPACKET structure (see #01533) Return: CF clear if IOCTL successful -- check DSPACKET for actual status AX = number of bytes actually transferred CF set on error AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h) SeeAlso: AX=4405h"DBLSPACE",INT 2F/AX=4A11h/BX=0000h