C programming is an ANSI/ISO standard and powerful programming language for developing real time applications. C programming language was invented by Dennis Ritchie at the Bell Laboratories in 1972. It was invented for implementing UNIX operating system. C programming is most widely used programming language even today. All other programming languages were derived directly or indirectly from C programming concepts. C programming is the basis for all programming languages. This C programming tutorial explains all basic concepts in C like history of C language, data types, keywords, constants, variables, operators, expressions, control statements, array, pointer, string, library functions, structures and unions etc.

This C programming tutorial is designed for the new learners, students and also for the corporate level developers who want to learn and refresh their C programming skills.