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[Page 401]

Chapter 8. Pointers and Pointer-Based Strings

Addresses are given to us to conceal our whereabouts.

Saki (H. H. Munro)

By indirection find direction out.

William Shakespeare

Many things, having full reference

To one consent, may work contrariously.

William Shakespeare

You will find it a very good practice always to verify your references, sir!

Dr. Routh

OBJECTIVES

In this chapter you will learn:

  • What pointers are.

  • The similarities and differences between pointers and references and when to use each.

  • To use pointers to pass arguments to functions by reference.

  • To use pointer-based C-style strings.

  • The close relationships among pointers, arrays and C-style strings.

  • To use pointers to functions.

  • To declare and use arrays of C-style strings.


[Page 402]

Outline

8.1 Introduction

8.2 Pointer Variable Declarations and Initialization

8.3 Pointer Operators

8.4 Passing Arguments to Functions by Reference with Pointers

8.5 Using const with Pointers

8.6 Selection Sort Using Pass-by-Reference

8.7 sizeof Operators

8.8 Pointer Expressions and Pointer Arithmetic

8.9 Relationship Between Pointers and Arrays

8.10 Arrays of Pointers

8.11 Case Study: Card Shuffling and Dealing Simulation

8.12 Function Pointers

8.13 Introduction to Pointer-Based String Processing

8.13.1 Fundamentals of Characters and Pointer-Based Strings

8.13.2 String Manipulation Functions of the String-Handling Library

8.14 Wrap-Up

Summary

Terminology

Self-Review Exercises

Answers to Self-Review Exercises

Exercises

Special Section: Building Your Own Computer

More Pointer Exercises

String-Manipulation Exercises

Special Section: Advanced String-Manipulation Exercises

A Challenging String-Manipulation Project


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