Prev     Next C functions are basic building blocks in a program. All C programs are written using functions to improve re-usability, understandability and to keep track on them. You can learn below concepts of C functions in this section in detail. What is C function? Uses of C functions C function declaration, function call and definition with example program How to call C functions in a program? Call by value Call by reference C function arguments and return values C function with arguments and with return value C function with arguments and without return value C function without arguments … Continue reading C – Function