Book Image

Extreme C

By : Kamran Amini
5 (2)
Book Image

Extreme C

5 (2)
By: Kamran Amini

Overview of this book

There’s a lot more to C than knowing the language syntax. The industry looks for developers with a rigorous, scientific understanding of the principles and practices. Extreme C will teach you to use C’s advanced low-level power to write effective, efficient systems. This intensive, practical guide will help you become an expert C programmer. Building on your existing C knowledge, you will master preprocessor directives, macros, conditional compilation, pointers, and much more. You will gain new insight into algorithm design, functions, and structures. You will discover how C helps you squeeze maximum performance out of critical, resource-constrained applications. C still plays a critical role in 21st-century programming, remaining the core language for precision engineering, aviations, space research, and more. This book shows how C works with Unix, how to implement OO principles in C, and fully covers multi-processing. In Extreme C, Amini encourages you to think, question, apply, and experiment for yourself. The book is essential for anybody who wants to take their C to the next level.
Table of Contents (23 chapters)

Inheritance

We closed the previous chapter by talking about to-have relationships, which eventually led us to composition and aggregation relationships. In this section, we are going to talk about to-be or is-a relationships. The inheritance relationship is a to-be relationship.

An inheritance relationship can also be called an extension relationship because it only adds extra attributes and behaviors to an existing object or class. In the following sections, we'll explain what inheritance means and how it can be implemented in C.

There are situations when an object needs to have the same attributes that exist in another object. In other words, the new object is an extension to the other object.

For example, a student has all the attributes of a person, but may also have extra attributes. See Code Box 8-1:

typedef struct {
  char first_name[32];
  char last_name[32];
  unsigned int birth_year;
} person_t;
typedef struct {
  char first_name[32];
  char last_name...