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

The Ever-Expanding Pointer Array: October 11, 2025 Managing a buncha pointers.
Coding a Better stringcopy() Function: October 4, 2025 This task may be presented when you apply for a C programming job.
Copying Strings: September 27, 2025 Getting a string from one buffer into another seems simple, but can have issues.
Finding Those Pesky Null Characters!: September 20, 2025 Do you think that your code is perfect? Run it through hexdump and guess again!
More Array, More Decay: September 13, 2025 Array decay is most evident when it comes to using arrays with functions.

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

This Month's Exercise

Heron's Formula: October 1, 2025 Calculate the area of a triangle by inputting the lengths for its three sides.

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

Current Titles

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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.