# Broadcast `data` on the network on `port`
	#
	# On error, sets `error` appropriately.
	#
	# Require: setting `enable_broadcast = true`
	fun broadcast(port: Int, data: Text)
	do
		var addr_in = new NativeSocketAddrIn
		addr_in.port = port
		addr_in.family = new NativeSocketAddressFamilies.af_inet
		addr_in.address_broadcast

		var buf = data.to_cstring
		if native.sendto(buf, data.length, 0, addr_in) == -1 then
			error = new IOError.from_errno
		end

		addr_in.free
	end