label_compare
if (label_compare(dname_label(left, i),
result = label_compare(dname_label(left, i),
if (label_compare(dname_label(left, i),
int label_compare(const uint8_t *left, const uint8_t *right);
if (label_compare(dname_name(domain_dname(result)),
&& label_compare(dname_name(domain_dname(domain)),