Section 20.1. Introduction
Recipe 20.2. Parsing Program Arguments
Recipe 20.3. Parsing Program Arguments with getopt
Recipe 20.4. Reading from the Keyboard
Recipe 20.5. Reading Passwords
Recipe 20.6. Displaying a GUI Widget in a Window
Recipe 20.7. Displaying Multiple GUI Widgets in a Window
Recipe 20.8. Responding to User Actions
Recipe 20.9. Displaying Menus
Recipe 20.10. Program: Command Shell
Recipe 20.11. Program: Displaying Weather Conditions