C language is one of the most commonly used high level language which is usually taught to the computer students in their college or school level. It is widely used by the programmers to solve complex problems and computer architecture. It is used for system programming i.e for implementing operating systems and creating embedded applications. It follows a specific syntax which includes various functions and statements. Usually each statement starts with number sign # and has the following syntax # include int main (void) { printf("my name is alex"); } Various programs and functions (both system defined and user defined) functions can be invoked to perform various tasks. Loops, functions, arrays are integral part of user written programs.