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 Improved nano_delay() Function (I Hope): May 27, 2023 My attempt to fix an overflow flaw in my original (and possibly useless) nano_delay() function.
Your Own Time Delay Function: May 20, 2023 One way I put the clock_gettime() function to work is to create a delay function that operates on nanoseconds.
Programming with Nanoseconds: May 13, 2023 Your computer's clock knows time down to the nanosecond, which you can fetch for use in your programs.
Checking the Time: May 6, 2023 The time() function is nice, but the clock_gettime() function is more precise.
What the Heck is That Thing?: April 29, 2023 A good lesson in why you should comment your code, even the stuff you write for yourself.

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

This Month's Exercise

Yesterday: May 1, 2023 It's easy to obtain time information about right now, today. But what about yesterday?

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. I am compensated if you click a link to sign up for the course. So, thank you! The funds generated go toward supporting this website.

Click here to see my available courses; new online training is available frequently.

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"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.