LessThan4BytesRcvd(
  IN  tLOWERCONNECTION     *pLowerConn,
  IN  ULONG                BytesAvailable,
  OUT PULONG               BytesTaken,
  OUT PVOID                *ppIrp
  );

Routine Description:

    This routine handles the case when data has arrived on a connection but
    there isn't 128 bytes yet or a whole pdu.

Arguments:


Return Value:

    NTSTATUS - Status of receive operation