Critique my heap debugger

Question

I wrote the following heap debugger in order to demonstrate memory leaks, double deletes and wrong forms of deletes (i.e. trying to delete an array with delete p

Answer 1

Explain why you chose "ALIGNMENT" as an identifier. Explain why you picked 16. Argue how your algorithm catches the most common mistakes, like overflowing the end of a heap-allocated block or forgetting to release memory.