sym_remque_head
qp = sym_remque_head(&lp->waiting_ccbq);
while ((qp = sym_remque_head(&np->comp_ccbq)) != NULL) {
while ((qp = sym_remque_head(&qtmp)) != NULL) {
qp = sym_remque_head(&np->free_ccbq);
while ((qp = sym_remque_head(&np->free_ccbq)) != NULL) {