int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecord *b);
DEFINE_TRIVIAL_CLEANUP_FUNC(DnsResourceRecord*, dns_resource_record_unref);
int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecord *b);
DEFINE_TRIVIAL_CLEANUP_FUNC(DnsResourceRecord*, dns_resource_record_unref);