Int 6F Fn 01  - 10net - Logoff                                             [N]

   AH = 01h
   DS:DX -> superstation ID or nulls (12 bytes)

Return: CX = number of files closed
   AX = status (see also AH=00h)
       08FFh superstation ID not already logged in

See Also: AH=00h,AH=81h