why do header files even exist?

So why do we use header files? Are they just there to look pretty? Is there actually a reason that we include them in all the code we write? In this video we explore how the compiler works, how the linker works, and how header files tie the whole process together. 🏫 COURSES 🏫 Learn to code in C at https://lowlevel.academy 📰 NEWSLETTER 📰 Sign up for our newsletter at https://mailchi.mp/lowlevel/the-low-down 🙌 SUPPORT THE CHANNEL 🙌 Become a Low Level Associate and support the channel at https://youtube.com/c/LowLevelLearning/join How Does Return Work? https://youtu.be/e46wHUjNDjE 🔥🔥🔥 SOCIALS 🔥🔥🔥 Low Level Merch!: https://lowlevel.store/ Follow me on Twitter: https://twitter.com/lowleveltweets Follow me on Twitch: https://twitch.tv/lowlevellearning Join me on Discord!: https://discord.gg/gZhRXDdBYY