+static inline const char* DNS_RESOURCE_KEY_NAME(const DnsResourceKey *key) {
+ if (_unlikely_(!key))
+ return NULL;
+
+ if (key->_name)
+ return key->_name;
+
+ return (char*) key + sizeof(DnsResourceKey);
+}
+
+DnsResourceKey* dns_resource_key_new(uint16_t class, uint16_t type, const char *name);
+DnsResourceKey* dns_resource_key_new_consume(uint16_t class, uint16_t type, char *name);
+DnsResourceKey* dns_resource_key_ref(DnsResourceKey *key);
+DnsResourceKey* dns_resource_key_unref(DnsResourceKey *key);
+int dns_resource_key_equal(const DnsResourceKey *a, const DnsResourceKey *b);
+int dns_resource_key_match_rr(const DnsResourceKey *key, const DnsResourceRecord *rr);
+int dns_resource_key_match_cname(const DnsResourceKey *key, const DnsResourceRecord *rr);
+unsigned long dns_resource_key_hash_func(const void *i, const uint8_t hash_key[HASH_KEY_SIZE]);
+int dns_resource_key_compare_func(const void *a, const void *b);
+int dns_resource_key_to_string(const DnsResourceKey *key, char **ret);
+DEFINE_TRIVIAL_CLEANUP_FUNC(DnsResourceKey*, dns_resource_key_unref);
+
+DnsResourceRecord* dns_resource_record_new(DnsResourceKey *key);
+DnsResourceRecord* dns_resource_record_new_full(uint16_t class, uint16_t type, const char *name);