DOS / Functions / 44 (IOCTL) / 06

                  INT 21 - DOS 2+ - IOCTL - GET INPUT STATUS

Input	DOS1	N	DOS2	Y	DOS4	Y	DOS5	Y	Output
AX	44h		06h		Error Code / FFh=Ready, 00h=Not				AX
BX	File Handle								BX
CX									CX
DX									DX
ES:DI					Set if Error				CF

See Also 44h/07h