Now-a-days Computers are playing very vital role in each and every field of problem solving. The communication medium between a computer and a human being is a typical 'language' i.e., humans are able to communicate with the computer system in some form language. There are basically three types of languages, Machine Understand Language, Assembly Language and High Level Languages. There are number of high level languages developed in the past three decades like Fortran, Pascal, Basic, C Language etc.., Clearly, no other language has had so much of influence in the computing as 'C' - Language, Evolution of 'C' - as a programming language has made application development very easy.