guint8 *flx_dns_packet_append_uint32(flxDnsPacket *p, guint32 v);
guint8 *flx_dns_packet_append_name(flxDnsPacket *p, const gchar *name);
guint8 *flx_dns_packet_append_bytes(flxDnsPacket *p, gconstpointer, guint l);
-guint8* flx_dns_packet_append_key(flxDnsPacket *p, flxKey *k);
+guint8* flx_dns_packet_append_key(flxDnsPacket *p, flxKey *k, gboolean unicast_response);
guint8* flx_dns_packet_append_record(flxDnsPacket *p, flxRecord *r, gboolean cache_flush);
guint8* flx_dns_packet_append_string(flxDnsPacket *p, const gchar *s);
gint flx_dns_packet_consume_uint32(flxDnsPacket *p, guint32 *ret_v);
gint flx_dns_packet_consume_name(flxDnsPacket *p, gchar *ret_name, guint l);
gint flx_dns_packet_consume_bytes(flxDnsPacket *p, gpointer ret_data, guint l);
-flxKey* flx_dns_packet_consume_key(flxDnsPacket *p);
+flxKey* flx_dns_packet_consume_key(flxDnsPacket *p, gboolean *ret_unicast_response);
flxRecord* flx_dns_packet_consume_record(flxDnsPacket *p, gboolean *ret_cache_flush);
gint flx_dns_packet_consume_string(flxDnsPacket *p, gchar *ret_string, guint l);