DOS / Functions / 44 (IOCTL) / 02

        INT 21 - DOS 2+ - IOCTL - READ CHARACTER DEVICE CONTROL STRING

Input	DOS1	N	DOS2	Y	DOS4	Y	DOS5	Y	Output
AX	44h		02h		Error Code				AX
BX	File Handle								BX
CX	Bytes to Read								CX
									DX
DS:DX	Buffer Address				Set if Error				CF

See Also 44h/03h