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

Using the epoll() Function to Scan for Standard Input: April 13, 2024 It's not perfect, but the epoll() functions can also scan for pending standard input.
Reading the Keyboard Queue ala Networking: April 6, 2024 You can use the networking function select() to check for pending keyboard input.
Looking for a Keyboard Hit: March 30, 2024 Checking to see whether a character is waiting in the queue requires using a secret and scary function.
What's Next, Keyboard?: March 23, 2024 Sometimes a program needs to check to see whether a key has been pressed without reading that key.
Squaring a Value: March 16, 2024 Could the C language use a square() function or operator?

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

This Month's Exercise

Calculating the Absolute Value: April 1, 2024 The absolute value of a number is its positive value.

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.