INT 2F U - NETWORK REDIRECTOR - CREATE/TRUNCATE FILE WITHOUT CDS
        AX = 1118h
        ES:DI -> uninitialized SFT
        SS = DOS DS
        SDA first filename pointer -> fully-qualified name of file
        STACK: WORD file creation mode
                        low byte = file attributes
                        high byte = 00h normal create, 01h create new file
Return: ???
        STACK unchanged
Note:   called by DOS 3.1+ kernel when creating a file on a drive for which the
          SDA CDS pointer has offset FFFFh
SeeAlso: AX=1116h,AX=1117h,AX=112Eh,INT 21/AH=60h