pendingpri
pendingpri = NUMPRI - 1;
pendingpri = NUMPRI;
while (pendingpri) /* pendingpri possibly gets modified in the inner loop */
--pendingpri;
while (pendingcnt [pendingpri])
ANPENDING *p = pendings [pendingpri] + --pendingcnt [pendingpri];
VARx(int, pendingpri) /* highest priority currently pending */
#define pendingpri ((loop)->pendingpri)