dname_label
return dname_make(region, dname_label(dname, label_count - 1), 0);
if (label_compare(dname_label(left, i),
dname_label(right, i)) != 0)
result = label_compare(dname_label(left, i),
dname_label(right, i));
if (label_compare(dname_label(left, i),
dname_label(right, i)) != 0)
return wirelabel2str(dname_label(d, i));