Function 4Fh            Find Next File (FIND NEXT)

    Searches for the next directory entry that matches the name and
    attributes specified in a previous call to Find First (4eh). The
    current DTA must contain the information filled in by the Find
    First function.

        Entry   AH = 4Fh

        Return  FileInfo structure at current DTA
                or
                AX = Error code, if CF is set
                     | 02h File not found
                     | 03h Path not found
                     | 12h No more files to be found

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    Function 4fh continues the file search that was begun by function
    4eh (Find First File).