Modern C for Absolute Beginners: A Friendly Introduction to the C Programming Language

© Slobodan Dmitrović 2021

S. DmitrovićModern C for Absolute Beginnershttps://doi.org/10.1007/978-1-4842-6643-4_10

10. Pointers

Slobodan Dmitrović¹  

(1)

Belgrade, Serbia

 

Data is stored in computer memory. The CPU reads from and writes to this memory. Computer memory, in simple terms, is an array of cells, where each cell has its own number we call an address. Our data objects reside in these memory cells, and each of these data objects has its address. If we know the address of an object, we can use pointers to access data objects in memory.

10.1 Introduction

So far, we have used regular variables to access these data objects in memory. Another way to manipulate data in these data objects is through pointers. A pointer is just like any other variable. ...