HangUp sends message to peer to close connection.

IntToSocketDest returns a socketdest based on integer input.

NewVirtWriteCloser is a constructor.

Reader decodes the content that comes over the wire and directs it to the proper destination.

HangUpFromClient hangs up from the client.

Quit and detach.

TerminalResize indicates a terminal resize event has occurred and data should be passed to resizer.

ToStderr indicates traffuc should go to stderr.

ToStdin indicates traffic came from stdin.

ToStdout indicates traffic should go stdout.

ErrClientHangup signifies that the client wants to drop its connection from the server.

VirtWriteCloser are writers for attach which include the dest of the data.

SocketDest is the "key" to where IO should go on the varlink multiplexed socket.