fn address6ToPosix(a: *const net.Ip6Address) posix.sockaddr.in6
fn address6ToPosix(a: *const net.Ip6Address) posix.sockaddr.in6 { return .{ .port = std.mem.nativeToBig(u16, a.port), .flowinfo = a.flow, .addr = a.bytes, .scope_id = a.interface.index, }; }