correctnet

func HTTPListenAndServe(address string, handler http.Handler) error

func Listen(network, address string) (net.Listener, error)

func ListenPacket(network, address string) (listener net.PacketConn, err error)

func ListenTCP(network string, laddr *net.TCPAddr) (*net.TCPListener, error)

func ListenUDP(network string, laddr *net.UDPAddr) (*net.UDPConn, error)