An introductory C tutorial
An interesting C question
The sidebar contains the links to some insteresting stuff in *this* site. I will expand this soon
Here are some links from web that I find useful
1. http://www.linuxquestions.org
2. http://www.w3schools.com/
3. http://www.cs.cf.ac.uk/Dave/C/CE.html
4. http://www.tldp.org/