void dns_add_answer(int type, const uint8_t *rdata, uint16_t rdlength, int ttl);
void dns_send_answer(struct interface *iface, const char *answer);
const char* dns_type_string(uint16_t type);
-void dns_handle_packet(struct interface *iface, uint8_t *buf, int len);
+void dns_handle_packet(struct interface *iface, uint8_t *buf, int len, int unicast);
#endif