How to calculate c, which is the quarter of the hypotenuse of a right triangle

[John Jones]

I need to calculate c, which is a quarter of the hypotenuse of a right triangle with side lengths of a and b. How can i express the formula for c using math.h?

[donbock]

You should start with a function that has two input arguments (a and b) and that returns c. Initially, your main function should pass hard-coded argument values so you can focus on debugging the function. Later, if necessary, you can modify main to obtain argument values interactively.

@John Jones: Please post the mathematical formula you wish to implement in the C program.