Int 21 Fn 4459  - Dr Multiuser Dos 5.0 - Api                               [O]

   AX = 4459h
   CL = function (see #3690 at INT E0"CP/M-86")
   DS,DX = parameters

Notes: DR DOS 5.0 and Novell DOS 7 return CF set and AX=0001h
   this API is also available on INT E0

See Also: AX=4452h,INT E0"CP/M-86"