rn_dir
LIST_FOREACH(rd, &rn->rn_dir, rd_entries) {
while ((rd = LIST_FIRST(&rn->rn_dir)) != NULL) {
for (i = 0, rdent = LIST_FIRST(&rnd->rn_dir);
LIST_INIT(&rn->rn_dir);
LIST_INSERT_HEAD(&rnd->rn_dir, rdent, rd_entries);
LIST_FOREACH(rd, &rnd->rn_dir, rd_entries) {
LIST_FOREACH(rd, &rnd->rn_dir, rd_entries) {