get_immutable_start
delta_list->start = get_immutable_start(delta_zone->memory, list_number);
end_offset = get_immutable_start(delta_zone->memory, list_number + 1);
if (get_immutable_start(memory, 0) != get_immutable_header_offset(list_count + 1))
if (get_immutable_start(memory, i) > get_immutable_start(memory, i + 1))
if (get_immutable_start(memory, list_count) >
get_immutable_start(memory, i), delta_lists[i].size);