INT 2F CU - NETWORK REDIRECTOR - FINDNEXT
        AX = 111Ch
        SS = DS = DOS DS
        ES:DI -> CDS
        [DTA] = 21-byte findfirst search data (see INT 21/AH=4Eh)
Return: CF set on error
            AX = DOS error code (see INT 21/AH=59h)
        CF clear if successful
            [DTA] = updated findfirst search data
                    (bit 7 of first byte must be set)
            [DTA+15h] = standard directory entry for file
Note:   this function is called by the DOS 3.1+ kernel
SeeAlso: AX=1119h,AX=111Bh,INT 21/AH=4Fh

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