Engineering

What Does a C Pointer Store, and What Does Dereferencing Actually Change?

The most confusing part of learning pointers is rarely the amount of code involved. The example above contains only two lines, yet x, &x, p, *p, and &p all mean different things.Trying to memorize each expression as an isolated syntax rule tends to work only until pointers appear alongside arrays, functions, or structures. A more reliable approach is to begin with the objects that exist in memor..