struct in_multi *in_addmulti __P((struct in_addr *, struct ifnet *));
int in_delmulti __P((struct in_multi *));
void in_ifscrub __P((struct ifnet *, struct in_ifaddr *));
struct in_multi *in_addmulti __P((struct in_addr *, struct ifnet *));
int in_delmulti __P((struct in_multi *));
void in_ifscrub __P((struct ifnet *, struct in_ifaddr *));