INT 2F U - DOS ExtenderA program which allows a program to run in protected mode while still retaining access to real-mode MSDOS services.  See also Protected Mode. support???
	AH = 44h
	AL = function (at least 0Bh, 15h, 17h)
	???
Return: ???
Note:	called by Codeview for Windows
SeeAlso: AH=86h