tmxr_rqln        3612 src/simh/sim_tmxr.c         fprintf (st, " queued/total = %d/%d", tmxr_rqln (lp), lp->rxcnt);
tmxr_rqln         256 src/simh/sim_tmxr.h int32 tmxr_rqln (const TMLN *lp);