GNU C Programming

This book is a tutorial for the computer programming language C. The authors of this book hope you will learn everything you need to write simple C programs from this book.

Book Description

To get the most from this book, you should have some basic computer literacy — you should be able to run a program, edit a text file, and so on. You should also have access to a computer running a GNU system such as GNU/Linux.
The tutorial introduces basic ideas in a logical order and progresses steadily. You do not need to follow the order of the chapters rigorously, but if you are a beginner to C, it is recommended that you do. Later, you can return to this book and copy C code from it; the many examples range from tiny programs that illustrate the use of one simple feature, to complete applications that fill several pages. Along the way, there are also brief discussions of the philosophy behind C.

Table of Contents

• Using a compiler
• The form of a C program
• Functions
• Variables and declarations
• Scope
• Expressions and operators
• Parameters
• Pointers
• Decisions
• Loops
• Preprocessor directives
• Libraries
• Arrays
• Strings
• Input and output
• Putting a program together
• Advanced operators
• More data types
• Data structures
• Recursion
• Style
• Debugging
• Example programs
• A note from the original author
• Reserved words in C
• Precedence of operators
• Special characters
• Character conversion table
• A word about goto

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