void avahi_interface_send_packet_unicast(AvahiInterface *i, AvahiDnsPacket *p, const AvahiAddress *a, guint16 port);
gboolean avahi_interface_post_query(AvahiInterface *i, AvahiKey *k, gboolean immediately);
void avahi_interface_send_packet_unicast(AvahiInterface *i, AvahiDnsPacket *p, const AvahiAddress *a, guint16 port);
gboolean avahi_interface_post_query(AvahiInterface *i, AvahiKey *k, gboolean immediately);