# How to create C library functions

Write a library containing functions to compute the surface area and volume of a sphere. For a sphere of radius r, these values can be calculated using:

Surface Area = 4 Pi r squared (4 x Pie x r to the second power).

Volume = 4 Pi r cubed/3

Write a driver program to test your library.

https://brainmass.com/computer-science/c/how-to-create-c-library-functions-31578

#### Solution Preview

First compile the library file

gcc -c sphere.c

this will ...

#### Solution Summary

In this solution you will learn how to create C library function with the example of creating a library of functions and a driver program to compute the surface area and volume of a sphere.

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