To anyone reading this post in the future, it means nothing to read a couple online tutorials. I understand what all this means, after just finishing the section on Pointers in K&R C book (second edition).

Thanks to txesmi and Wjbender and Florastamine for their help.

Now go read a book!

PS.: I really loved this one:

My brain almost melted here... Probably will read the Pointers section one more time...