Know about Basics of c language. Get Definitions about variables,data types,scope of variables,if-else conditions etc. Also find some free examples related to them.

Definition and examples of loops(for loop, while loop,do while loop). How to use them and get free examples related to loop.

Input and output are covered in some detail. C allows quite precise control of these. This section discusses input and output from keyboard and screen. you may also found some useful free programs (Source code example) here.

Definition of function,types of functions and live examples related to each function type.

Definition of Structure,Structures with Functions and live examples related to Structure.

Definition of C Preprocessor,Uses of C Preprocessor and live examples related to C Preprocessor.