Category: DOS kernel
Flags: Undocumented function

INT 2F - DOS 3.0+ internal - OPEN DEVICE AND SET SFT OWNER/MODE

	AX = 120Ch
	SDA current SFT pointer -> SFT for file
	DS = DOS DS
	SS = DOS DS (must be using a DOS internal stack)
Return: ES, DI, AX destroyed
Notes:	invokes "device open" call on device driver for SFT
	changes owner of last-accessed SFT to calling process if it was opened
	  via FCB
	called by network redirectors such as MSCDEX