()
| 63 | MulticastHopLimit() (int, error) |
| 64 | SetMulticastHopLimit(ttl int) error |
| 65 | MulticastLoopback() (bool, error) |
| 66 | SetMulticastLoopback(bool) error |
| 67 | JoinGroup(*net.Interface, net.Addr) error |
| 68 | LeaveGroup(*net.Interface, net.Addr) error |
no outgoing calls