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Learn C Programming

Learn C Programming

By : Jeff Szuhay
4.7 (6)
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Learn C Programming

Learn C Programming

4.7 (6)
By: Jeff Szuhay

Overview of this book

The foundation for many modern programming languages such as C++, C#, JavaScript, and Go, C is widely used as a system programming language as well as for embedded systems and high-performance computing. With this book, you'll be able to get up to speed with C in no time. The book takes you through basic programming concepts and shows you how to implement them in the C programming language. Throughout the book, you’ll create and run programs that demonstrate essential C concepts, such as program structure with functions, control structures such as loops and conditional statements, and complex data structures. As you make progress, you’ll get to grips with in-code documentation, testing, and validation methods. This new edition expands upon the use of enumerations, arrays, and additional C features, and provides two working programs based on the code used in the book. What's more, this book uses the method of intentional failure, where you'll develop a working program and then purposely break it to see what happens, thereby learning how to recognize possible mistakes when they happen. By the end of this C programming book, you’ll have developed basic programming skills in C that can be easily applied to other programming languages and have gained a solid foundation for you to build on as a programmer.
Table of Contents (38 chapters)
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1
Part 1: C Fundamentals
10
Part 2: Complex Data Types
19
Part 3: Memory Manipulation
22
Part 4: Input and Output
28
Part 5: Building Blocks for Larger Programs

Revisiting the preprocessor

The preprocessor is a very powerful utility; therefore, it must be used with great care. We can't eliminate it since it is an essential part of developing multi-file programs. In this section, we will explore how to use the preprocessor. Our goal is to find, just as Goldilocks did, the just-right amount of preprocessing to employ – not too much and not too little.

Introducing preprocessor directives

The preprocessor is a simple macro processor that processes the source text of a C program before the program is read by the compiler. It is controlled via single-line preprocessor directives and transforms the source text by interpreting macros embedded in the source text to substitute, add, or remove text based on the given directives. The resulting preprocessed source text must be a valid C program.

The following table provides an overview of the basic preprocessor directives:

There are a small number...

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