Book Image

Learn C Programming

By : Jeff Szuhay
Book Image

Learn C Programming

By: Jeff Szuhay

Overview of this book

C is a powerful general-purpose programming language that is excellent for beginners to learn. This book will introduce you to computer programming and software development using C. If you're an experienced developer, this book will help you to become familiar with the C programming language. This C programming book takes you through basic programming concepts and shows you how to implement them in C. Throughout the book, you'll create and run programs that make use of one or more C concepts, such as program structure with functions, data types, and conditional statements. You'll also see how to use looping and iteration, arrays, pointers, and strings. As you make progress, you'll cover code documentation, testing and validation methods, basic input/output, and how to write complete programs in C. By the end of the book, you'll have developed basic programming skills in C, that you can apply to other programming languages and will develop a solid foundation for you to advance as a programmer.
Table of Contents (33 chapters)
Section 1: C Fundamentals
Section 2: Complex Data Types
Section 3: Memory Manipulation
Section 4: Input and Output
Section 5: Building Blocks for Larger Programs

Literal constants

Consider the following literal character sequences:


Each of these has an internal byte stream of 0000 0000 0100 0001. However, because of the punctuation surrounding these values, the compiler can infer what types they havefrom their context:

       65 --> int
'A' --> unsigned char
8.0 --> float
131072.0 --> double

These values are literally typed into our source code and their types are determined by the way in which they are written, or precisely by how punctuation around them specifies the context for their data type.

The internal value for each is constant; it is that same bit pattern. The literal 65 value will always be interpreted as an integer with that value. The literal 'A' value will always be interpreted as a single character. The literal 8.0 value may be interpreted as a float; if it is interpreted as a double, it will have...