socket_mcjoin4(3) on Linux
The text 50eb4c6a6c22, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 3.0 (Woody) shipped it.
join a multicast group
The text 50eb4c6a6c22, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 3.0 (Woody) shipped it.
join a multicast group