The Unofficial C For Dummies Website

This page supports the C programming books written by Dan Gookin and published by John Wiley, as well as the C language training courses offered online at LinkedIn Learning.

Recent Lessons

Zero and NULL and Pointers and Stuff: April 17, 2021 The defined constant NULL isn't zero, but is it always a pointer?
Positive or Negative Zero: April 10, 2021 Is zero positive, negative, or just zero?
Sign Bits: April 3, 2021 Negative binary values are quite clever in their implementation.
Options for the strfmon() Function: March 27, 2021 Like the printf() function, strfmon has placeholders for formatting a monetary string.
Exploring the strfmon() Function: March 20, 2021 It delights me to no end when I discover an unfamiliar C library function.

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

This Month's Exercise

Balancing Accounts: April 1, 2021 Organize values so that a bank account never dips below zero. (Difficulty: Medium)

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

Current Titles

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 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 For Dummies titles written by Dan Gookin,
published by John Wiley.