set_ancillary_data
set_ancillary_data(&msg6, hoplimit, gw_IP_list6,
extern void set_ancillary_data(struct msghdr *, int, union any_in_addr *,
set_ancillary_data(&msg6, first_ttl, pr6->gwIPlist, gw_count,
extern void set_ancillary_data(struct msghdr *, int, union any_in_addr *, int,
void set_ancillary_data(struct msghdr *, int, union any_in_addr *, int, uint_t);