link_QueueLen
extern size_t link_QueueLen(struct link *);
if (!link_QueueLen(&s->send.dl->physical->link) &&
return link_QueueLen(&mp->link);
add = link_QueueLen(&dl->physical->link);
add = link_QueueLen(&dl->physical->link);
add = link_QueueLen(&dl->physical->link);
(u_long)link_QueueLen(&p->link));
if (w && (force || link_QueueLen(&p->link) || p->out)) {