What malloc() does not want you to know
Post 1 of 13 — Series: Memory Allocation and Garbage Collection from Scratch Every time you write malloc(128), something apparently magical happens: the runtime hands you a pointer to 128 bytes of memory nobody else is using. You didn’t ask the operating system for permission. You didn’t specify where those bytes should live. They simply appeared. And when you call free(), they vanish back into the void. The magic is a lie. ...