The Unofficial C For Dummies Website

This page supports the C programming books written by Dan Gookin, as well as the C language training courses offered online at LinkedIn Learning. All coders are welcome.

Recent Lessons

Code Page 437: December 20, 2025 The myth of "extended" ASCII.
Dumping the Screen in W-I-D-E Color: December 13, 2025 Wide characters offer more variety when outputting "plain" text.
Dumping the Screen in Color: December 6, 2025 One of my favorite command line tools can do with some colorful improvement.
Consistently Constant: November 29, 2025 The only true constant declaration in C is found in the C23 standard and the constexpr qualifier.
Constantly Complaining: November 22, 2025 Does the C language really have constants?

Lessons are posted each Saturday; see the blog for all the Lessons

This Month's Exercise

Which is Greatest?: December 1, 2025 Finding the largest value, or taking the old max() function to the third degree.

Exercises are posted on the first of the month; see the blog for all the Exercises

Current Titles

Purchase

Purchase

Purchase

Purchase

Purchase

Purchase

Purchase

For support on my older C titles: Beginning C Programming, C All-In-One reference and C For Dummies.

Online Training

Online training is provided through Linkedin Learning, a subscription service. Click here to see my available courses. New courses are frequently available and updated.

"For Dummies" is a trademark or registered trademark of John Wiley.
This site is the online companion to the various
C language titles written by Dan Gookin.