Peter Hosey's "Everything You Need to Know about Pointers in C"
Sometimes, we need to keep track of where we've been or where we need to go. In this case, we use a pointer. Read this article to learn about the use of pointers.
Click http://web.archive.org/web/20160417032248/http://www-rohan.sdsu.edu/doc/c/pointers-1.2.2 link to open resource.