#define MCAST_ADDR6 "ff02::fb"
#define MCAST_PORT 5353
+#define CLASS_FLUSH 0x8000
#define CLASS_UNICAST 0x8000
#define CLASS_IN 0x0001
struct interface;
extern int cfg_proto;
+extern int cfg_no_subnet;
void dns_send_question(struct interface *iface, const char *question, int type, int unicast);
void dns_init_answer(void);