Q_RED
#define q_is_red(q) ((q)->qtype_ == Q_RED) /* Is the queue a red queue */
#define q_is_red_or_rio(q) ((q)->qtype_ == Q_RED || (q)->qtype_ == Q_RIO)
if (cl->cl_qtype == Q_RED)
cl->cl_qtype = Q_RED;
if (cl->cl_qtype == Q_RED)
if (cl->cl_qtype == Q_RED)
else if (cl->cl_qtype == Q_RED)
if (cl->cl_qtype == Q_RED)
qtype(cl->cl_q) = Q_RED;
qtype(cl->cl_q) = Q_RED;
qtype(cl->q_) = Q_RED;