SET_IPV6_MULTICAST_LOOPBACK

fidl_fuchsia_posix_socket::stream_socket_ordinals

Constant SET_IPV6_MULTICAST_LOOPBACK 

Source 
pub const SET_IPV6_MULTICAST_LOOPBACK: u64 = 0x55701c409ff41b40; // 6_156_451_754_502_527_808u64