https://tools.ietf.org/html/rfc7064https://tools.ietf.org/html/rfc7065.

Package mux is a library to multiplex network connections based on their payload.

LoopbackListener returns a loopback listener on a first usable port in ports or 0 if ports is empty.

NewNotifyListener creates a new Listener that will recv conns on its channel.

OnceCloseListener wraps a net.Listener, protecting it from multiple Close calls.

ParseIPV4 parses i as an IP address, returning the result.

SplitHostPort splits a network address of the form "host:port", "host%zone:port", "[host]:port" or "[host%zone]:port" into host or host%zone and port.

TcpKeepAliveListener sets TCP keep-alive timeouts on accepted connections.

ErrListenerClosed is returned from Listener.Accept when the underlying listener is closed.

INet6AToN returns the numeric value of an IPv6 address.

INet6NToA returns the IPv6 address from a numeric value.

INetAToN returns the numeric value of an IP address.

INetNToA returns the IP address from a numeric value.

MultiListener is a net.Listener that accepts all the connections from all listeners.