INT 21 - DR MultiUser DOS 5.0 - API
AX = 4459h
CL = function (see INT E0"CP/M")
DS,DX = parameters
Notes:  DR-DOS 5.0 returns CF set and AX=0001h
this API is also available on INT E0
SeeAlso: INT E0"CP/M"

See also: 214452

214459 - DR MultiUser DOS 5.0 - API