Even if you are an absolute beginner, this book will teach you all you need to know to write simple programs in C and start creating GUIs.

The first half of the book is an introduction to C, and covers the basics of writing simple command-line programs. The second half shows how to use the GTK user interface toolkit with C to create feature-rich GUI applications which can be run on the desktop.

Create simple command-line C programs; Control flow with conditions and loops; Handle variables, strings, and files; Design graphical user interface applications in C; Handle user input with buttons and menus; Use advanced UI features such as data stores and dialogs. …