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

Discovering Command Line Options, Part V: July 24, 2021 To read more verbose command line switches, use the getopt_long() function.
Discovering Command Line Options, Part IV: July 17, 2021 Use the getopt() function to read arguments supplied with a valid command line switch.
Discovering Command Line Options, Part III: July 10, 2021 Once you know how it works, it's possible to use the getopt() function to process multiple command line arguments.
Discovering Command Line Options, Part II: July 3, 2021 Your code need not toil with processing command line switches as the C library has a function that deftly handles the job.
Discovering Command Line Options, Part I: June 26, 2021 How does your program know which command line options have been specified?

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

This Month's Exercise

Check Your Stock Gains: July 1, 2021 Determine the largest stock price gain during the day, not just the high and low values.

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