INT 2F U - NETWORK REDIRECTOR - CLOSE REMOTE FILE
AX = 1106h
ES:DI -> SFT
SFT DPB field -> DPB of drive containing file
Return: CF set on error
AX = DOS error code (see INT 21/AH=59h)
CF clear if successful
SFT updated (redirector must decrement open count, which may be
done with INT 2F/AX=1208h)
Note:   called by DOS 3.1+ kernel
SeeAlso: AX=1208h,AX=1227h,INT 21/AH=3Eh

See also: 2F1201

2F1106 - NETWORK REDIRECTOR - CLOSE REMOTE FILE