C Programming Absolute Beginner’s Guide, Third Edition

24. Solving the Mystery of Pointers

In This Chapter

• Working with memory addresses

• Defining pointer variables

• Using the dereferencing *

Pointer variables, often called pointers, let you do much more with C than you can with programming languages that don’t support pointers. When you first learn about pointers, you’ll probably ask, “What’s the point?” (Even after you master them, you might ask the same thing!) Pointers provide the means for the true power of C programming. This book exposes the tip of the pointer iceberg. The concepts you learn here will form the foundation of your C programming future.

Memory Addresses

Inside your computer is a bunch of memory. The memory holds your program as it executes, and it also holds your program’s ...