ResultAlive indicates that the connection remains alive (connected).

ResultClosedByOriginator indicates that the connection was gracefully closed, and the original stream was closed first.

ResultClosedByResponder indicates that the connection was gracefully closed, and the reply stream was closed first.

ResultConnecting indicates that the connection remains in a connecting state.

ResultDrop indicates that the segment should be dropped.

ResultReset indicates that the connection was reset.

TCB is a TCP Control Block.

Result is returned when the state of a TCB is updated in response to a segment.