LogReadFile parameter packet.

typedef struct _LREREQUEST {
  ULONG            packet_size;
  ULONG            packet_revision_number;
  ULONG            log_file_ID;
  ULONG            flags;
  PEVENTKEY        pEventKey;
  PFILTERBLOCK     pFilter;
  PULONG           pLogEntryBufferLength;
  PVOID            pLogEntryBuffer;
} LREREQUEST;

typedef   LREREQUEST   * PLREREQUEST ;