StartPointIn
grp = StartPointIn(la, lnk->alias_addr, port, lnk->link_type, 0);
grp = StartPointIn(la, lnk->alias_addr, lnk->alias_port, lnk->link_type, 0);
grp = StartPointIn(la, alias_addr, lnk->alias_port, link_type, 1);
grp = StartPointIn(la, alias_addr, alias_port, link_type, 0);
grp = StartPointIn(la, alias_addr, alias_port, link_type, 0);
StartPointIn(struct libalias *, struct in_addr, u_short, int, int);