-#define DNS_FIELD_ID 0
-#define DNS_FIELD_FLAGS 1
-#define DNS_FIELD_QDCOUNT 2
-#define DNS_FIELD_ANCOUNT 3
-#define DNS_FIELD_NSCOUNT 4
-#define DNS_FIELD_ARCOUNT 5
+gboolean flx_dns_packet_is_empty(flxDnsPacket *p);
+guint flx_dns_packet_space(flxDnsPacket *p);
+
+#define FLX_DNS_FIELD_ID 0
+#define FLX_DNS_FIELD_FLAGS 1
+#define FLX_DNS_FIELD_QDCOUNT 2
+#define FLX_DNS_FIELD_ANCOUNT 3
+#define FLX_DNS_FIELD_NSCOUNT 4
+#define FLX_DNS_FIELD_ARCOUNT 5