INT 21 - DOS 3.1+ - IOCTL - CHECK IF HANDLE IS REMOTE

	AX = 440Ah
	BX = handle
Return: CF clear if successful
	    DX = attribute word (as stored in SFT)
		bit 15: set if remote
		bit 14: date/time not set on close
	CF set on error
	    AX = error code (01h,06h) (see #01680 at AH=59h/BX=0000h)
Notes:	if file is remote, Novell Advanced NetWare 2.0 returns the number of
	  the file server on which the handle is located in CX
	DR DOS 3.41 and 5.0 clear all bits of DX except bit 15; Novell DOS 7
	  fully supports this function
	this function was not supported by Digital Research's DOS Plus
SeeAlso: AX=4400h,AX=4409h,AH=52h,INT 2F/AX=122Bh