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_record(flxDnsPacket *p, flxRecord *r, gboolean cache_flush);
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_record(flxDnsPacket *p, flxRecord *r, gboolean cache_flush);