transport Directory Reference

Files
	client.cpp
	Layer 4 outbound TCP client transport (pooled). See client.h.
	client.h
	Layer 4 outbound TCP client transport - the client-side peer of the (server) transport in tcp.cpp.
	listener.cpp
	Layer 4 (Listener) - TCP accept callback and port lifecycle.
	listener.h
	Layer 4 (Listener) - per-port TCP listener abstraction.
	tcp.cpp
	Layer 4 (Transport) - TCP connection management implementation.
	tcp.h
	Layer 4 (Transport) - TCP connection pool, ring buffers, and lwIP integration.
	udp.cpp
	Layer 4 UDP datagram service - the only place lwIP UDP is touched.
	udp.h
	Layer 4 (Transport) - connectionless UDP datagram service.