C doesn't control memory. brk() does. There are various malloc libraries out there to improve the way malloc manages memory. But ideally you don't want to allo

C doesn't control memory. brk() does. There are various malloc libraries out there to improve the way malloc manages memory. But ideally you don't want to allocate memory at all. You want to have memory preallocated and preferably accessing a page that's still in cache. You can control memory pages in C because it doesn't manage that for you.