DEFBLK
(bpb.spc ? bpb.spc : howmany(DEFBLK, bpb.bps)))
for (bpb.spc = howmany(fat == 16 ? DEFBLK16 : DEFBLK, bpb.bps);
(bpb.spc ? bpb.spc : howmany(DEFBLK, bpb.bps)))
for (bpb.spc = howmany(o.fat_type == 16 ? DEFBLK16 : DEFBLK, bpb.bps);