In ipv4 a call to the setsockopt() function with the optname set to
IP_ADD_MEMBERSHIP and a raw ip socket adds the socket to the multicast
group specified by the user. As a result the tcpip stack code does the
following:
...
ip_setsockopt(_,_,IP_ADD_MEMBERSHIP,_,_) calls
In ipv4 a call to the setsockopt() function with the optname set to
IP_ADD_MEMBERSHIP and a raw ip socket adds the socket to the multicast
group specified by the user. As a result the tcpip stack code does the
following:
...
ip_setsockopt(_,_,IP_ADD_MEMBERSHIP,_,_) calls
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