DOS / Functions / 44 (IOCTL) / 07

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

Input	DOS1	N	DOS2	Y	DOS4	Y	DOS5	Y	Output
AX	44h		07h		Error Code / FFh=Ready, 00h=Not				AX
BX	File Handle								BX
CX									CX
DX									DX
ES:DI					Set if Error				CF

Note:   For DOS 2.x, files are always ready for output

See Also 44h/06h