setoption()

Sets options for the UDP socket. Options are only needed by low-level or time-critical applications. You should only modify an option if you are sure you need it.
Option is a string with the option name, and value depends on the option being set

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Parameter	Type	Required	Description
handle	int	+	Connection handle
option	string	+	Option name
value	depends	–	Option value

Supported options

Option	Value type	Default value	Description
broadcast	bool	True	Requests permission to send broadcast datagrams on the socket
ip-add-membership	bool	True	Requests to join a multicast group on the socket
ip-drop-membership	bool	True	Requests to leave a multicast group on the socket

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Nothing

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					local network = require("network")
local handle = network.udp();
network.setoption(handle, "broadcast")

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					local network = require("network")
local handle = network.udp();
network.setoption(handle, "ip-add-membership")

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					local network = require("network")
local handle = network.udp();
network.setoption(handle, "ip-drop-membership")