maxcls
howmany((RESFTE + maxcls(fat)) * (fat / BPN),
(u_int64_t)(maxcls(fat) + 1) * bpb.spc <= bpb.bsec;
x2 = howmany((RESFTE + MINIMUM(x, maxcls(fat))) * (fat / BPN),
if (cls > maxcls(fat)) {
cls = maxcls(fat);
howmany((RESFTE + maxcls(o.fat_type)) * (o.fat_type / BPN),
(u_int64_t)(maxcls(o.fat_type) + 1) * bpb.spc <= bpb.bsec;
x2 = howmany((RESFTE + MINIMUM(x, maxcls(o.fat_type))) * (o.fat_type / BPN),
if (cls > maxcls(o.fat_type)) {
cls = maxcls(o.fat_type);