pkg net, func ListenTCP(string, *TCPAddr) (*TCPListener, error)
pkg net, func ListenUDP(string, *UDPAddr) (*UDPConn, error)
pkg net, func ListenUnix(string, *UnixAddr) (*UnixListener, error)
pkg net, func ListenUnixgram(string, *UnixAddr) (*UDPConn, error)
pkg net, func LookupAddr(string) ([]string, error)
pkg net, func LookupCNAME(string) (string, error)
pkg net, func LookupHost(string) ([]string, error)

pkg net, const FlagLoopback = 4
pkg net, const FlagMulticast = 16
pkg net, const FlagPointToPoint = 8
pkg net, const FlagUp = 1
pkg net, const IPv4len = 4
pkg net, const IPv6len = 16
pkg net, func ListenUnixgram(string, *UnixAddr) (*UnixConn, error)
pkg net, func LookupNS(string) ([]*NS, error)
pkg net, method (*Dialer) Dial(string, string) (Conn, error)