PC_NROOTENT
((PC_NROOTENT(h) * 32) + (h->bps - 1)) / h->bps;
resid = PC_NROOTENT(h);
(unsigned short)PC_NROOTENT(h), h->TotSec);
ADD_UINT32(h, "root_entry_count", PC_NROOTENT(h));