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INTRODUCTION

PROGRAMMING

Simon Long

GUI

AN INTRODUCTION TO C AND GUI PROGRAMMING

AN INTRODUCTION TO

AND

GUI

PROGRAMMING

First published in 2019 by Raspberry Pi Trading Ltd, Maurice Wilkes Building,

St. John's Innovation Park, Cowley Road, Cambridge, CB4 0DS

Publishing Director: Russell Barnes • Editor: Phil King

Author: Simon Long • Design: Critical Media

CEO: Eben Upton

ISBN: 978-1-912047-65-9

The publisher, and contributors accept no responsibility in respect of any omissions

or errors relating to goods, products or services referred to or advertised in this book.

Except where otherwise noted, the content of this book is licensed under a Creative

Commons Attribution-NonCommercial-ShareAlike 3.0 Unported

(CC BY-NC-SA 3.0)

The GTK logo is copyright The GNOME Foundation and licensed under LGPL v2.1+

AN INTRODUCTION TO C AND GUI PROGRAMMING

AN INTRODUCTION TO

AND

GUI

PROGRAMMING

Welcome to

An Introduction to C

& GUI Programming

he C programming language was invented in the early 1970s, and since then has

become one of the most popular and widely used general-purpose languages. C can

be used to create simple command-line programs, or embedded code to operate the

tiny microcontrollers in toasters and watches. At the other extreme, it can be used to create

rich graphical desktop applications – in fact, most of Linux (and Raspbian itself) is written

in it. It can give you control over the smallest details of how a processor operates, but is still

simple to learn and read. The first part of this book is an introduction to programming in C for

absolute beginners; the second part shows how to use C to create desktop applications for

Raspbian, using the GTK toolkit. You don’t need any programming experience, and a Raspberry

Pi running Raspbian is all you need to get started.