INT 2F CU - NETWORK REDIRECTOR - COMMIT REMOTE FILE
        AX = 1107h
        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
            all buffers for file flushed
            directory entry updated
Note:   this function is called by the DOS 3.1+ kernel
SeeAlso: INT 21/AH=68h,INT 21/AX=5D01h

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