<dec f='src/src/sys/netinet/igmp_var.h' l='116' type='int igmp_joingroup(struct in_multi * )'/>
<def f='src/src/sys/netinet/igmp.c' l='486' ll='509' type='int igmp_joingroup(struct in_multi * inm)'/>
<use f='src/src/sys/netinet/in.c' l='1600' u='c' c='in_addmulti'/>
