fr_queue
for (frent = LIST_FIRST(&frag->fr_queue); frent;
frent = LIST_FIRST(&frag->fr_queue)) {
LIST_INIT(&(*frag)->fr_queue);
LIST_FOREACH(frea, &(*frag)->fr_queue, fr_next) {
LIST_INSERT_HEAD(&(*frag)->fr_queue, frent, fr_next);
for (frep = LIST_FIRST(&(*frag)->fr_queue); frep; frep = next) {
frent = LIST_FIRST(&(*frag)->fr_queue);