#define ROUND_UP(p, align) (((DWORD)(p) + (align)-1) & ~((align)-1))
#define ROUND_DOWN(p, align) ((DWORD)(p) & ~((align)-1))
#define ROUND_UP(p, align) (((DWORD)(p) + (align)-1) & ~((align)-1))
#define ROUND_DOWN(p, align) ((DWORD)(p) & ~((align)-1))