NTSTATUS
GetSapStation(
  IN  PDLC_FILE_CONTEXT pFileContext,
  IN  USHORT StationId,
  OUT PDLC_OBJECT *ppStation
  );

Routine Description:

    Procedure checks and returns link station

Arguments:

    pFileContext    - DLC driver client context
    StationId       - DLC station id (ssnn, where ss = sap and nn = link station id
    ppDlcObject     - the returned link station

Return Value:

    NTSTATUS:
        STATUS_SUCCESS
        DLC_STATUS_INVALID_SAP_VALUE
        DLC_STATUS_INVALID_STATION_ID