5 Essential C Libraries AND How to Make Your Own

Share This Post

It's Bad Enough I Have To Write Code, Now I Have To Read At C Libraries?

No, but I love the visual! Libraries are utilities we can use to in our programs to save us a lot of time from writing functions we often use. For instance, programming would not be nearly as fun if we needed to keep writing the same printf() function to be included in every file. Rather, we can use #include <stdio.h> which packages printf() along with many other useful functions in one line!

There are a variety of libraries that are considered to be standard in the C language. We’ll go over the most popular libraries used in C. When using libraries that are not quite as popular, like <math.h> we will have to link the library into our program -which we’ll go over in more detail. Finally, we’ll also cover how you can write your own libraries to make developing in C much easier later down the road!

Before we begin, it is important to note some security concerns with external libraries you may find online. While none of the libraries we will be interacting with require downloading from the internet, keep in mind where you download your libraries. Now that you know how to program in the C programming language, be sure to look the code over if you are unsure of the authenticity of the downloaded source code.

Now, let the firehose begin!

Reading Is Cool! How Do I Make My Own C Libraries?

See, C libraries aren’t so bad! Let’s wrap up this section with another video:

We have covered all of the basic libraries C has to offer. There are several other libraries, as well as “custom libraries” that do not ship with C by default, but are commonly used. <curses.h> is an interesting package that works with legacy C installations and it adds more graphic capabilities!

Before we close out this post, let’s create a random number generator. This implementation is not a truly random generator so do not use this for any cryptographic application.

Now that you know how to make a library, can you implement a random number function and store it in a library? This exercise will be a nice warm up to our upcoming project!

That's weird... something went wrong. Please try again.
Welcome to the R U Coding Me Newsletter!

R U Coding Me Newsletter

Subscribe to our newsletter and stay updated.

We use Brevo as our marketing platform. By Clicking below to submit this form, you acknowledge that the information you provided will be transferred to Brevo for processing in accordance with their terms of use

Are You Coding?

If the answer is no, you’re probably missing out on a large opportunity here. And yes, I said the name!

Our FREE developer resources will help you start programming. Additionally, consider applying for mentorship to accelerate you to your career. Click on the Student button below to get started. It will take you to our available courses and any relevant materials to help get you started.

Ready to take your business to the next level? Creating a robust solution in a short amount of time is hard to do if you’ve never done it before. Plus, why should you juggle yet another project with your business? Click on the Business button below if you’re looking to scale your current business online but don’t want to spend a few years to learn how to do it. It will take you to our services so you can see what would best work for you.

More To Explore
Learn C Programming
Multidimensional Arrays in C With Example

FacebookTweetPinLinkedInEmail Wait, You Said There Wouldn’t Be Any More Pointers! No, if you recall from last time, I mentioned there could be pointers that point

Learn C Programming
Efficiently Debugging C Programs

FacebookTweetPinLinkedInEmail What is Debugging? Overview of Debugging Debugging is an art form, rather than a science. Debugging is the act of removing any issues that

Learn C Programming
Pointers in C Made Easy

FacebookTweetPinLinkedInEmail Pointers in C What are pointers? Why do we even need these? Why can’t I find my wallet? Great questions, let’s dive in! Pointers

R U Coding Me LLC