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

Non-Standard Function: strlcpy(): December 7, 2019 The non-standard strlcpy() function copies a string but limits the destination buffer length — a much-needed, secure improvement over the standard strcpy() function.
Non-Standard Function: strcasecmp(): November 30, 2019 In the first of a short series, non-standard C library functions are discussed and substitutes presented. This week, the strcasecmp function is covered, which compares strings regardless of case.
Functions as Structure Members: November 23, 2019 A structure can hold any valid variable type as a member, so why not have a function as a structure member?
Deviously Playing with Memory: November 16, 2019 Using the memcpy() function and playing with pointer data types allows you to examine raw memory in your code.
Playing with Memory: November 9, 2019 The memcpy function allows chunks of memory to be copied hither and thither, which can lead to some interesting results.

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

This Month's Exercise

Morse Code Filter: December 1, 2019 Translate standard input into Morse code.

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, click: 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.