nhop_alloc
struct nhop_object *nh = nhop_alloc(fibnum, dst->sa_family);
struct nhop_object *nhop_alloc(uint32_t fibnum, int family);
struct nhop_object *nh = nhop_alloc(rnh->rib_fibnum, rnh->rib_family);
nh = nhop_alloc(rnh->rib_fibnum, rnh->rib_family);
struct nhop_object *nh = nhop_alloc(rh_dst->rib_fibnum, rh_dst->rib_family);
struct nhop_object *nh = nhop_alloc(fibnum, family);
nh = nhop_alloc(fibnum, AF_UNSPEC);
nh = nhop_alloc(RT_DEFAULT_FIB, family);
struct nhop_object *nh = nhop_alloc(attrs->rta_table, attrs->rtm_family);
nh = nhop_alloc(attrs->rta_table, attrs->rtm_family);