npf_table_getsome
npf_addr_t * npf_table_getsome(npf_table_t *, const int, unsigned);
return npf_table_getsome(t, alen, idx);
addr = npf_table_getsome(t, sizeof(struct in_addr), 0);
addr = npf_table_getsome(t, sizeof(struct in_addr), 1);
addr = npf_table_getsome(t, sizeof(struct in_addr), 2);