INT 48 U - Compaq UILIB.EXE - INSTALLATION CHECK                                
	AX = 1A70h
	BX = call type (see #03207)
Return: CX = 5649h ('VI') if installed
	DX = 4557h ('EW') if installed
	    AX = version??? (0106h)


(Table 03207)
Values for UILIB call type:
 0000h	near
 0001h	far
 0002h	INT (only valid call type when using INT 48)
 0003h	near