IN_RANGE
IN_RANGE(TheBIOSParameterBlock.bpb.sectors_per_cluster,
IN_RANGE(wbpb->bpb.sectors_per_cluster, 1, 128))) {
IN_RANGE(SecPerClust, 1, 128))) {
begin_in_chunk = IN_RANGE(rem_begin, chunk_begin, chunk_end);
end_in_chunk = IN_RANGE(rem_end, chunk_begin, chunk_end);