Your Second Day in C (Understand .h header and .c source files) - Crash Course in C Programming

Your Third Day in C (Understanding stack and heap memory) - Crash Course in C Programming

C "Modules" - Tutorial on .h Header Files, Include Guards, .o Object Code, & Incremental Compilation

Your Fourth Day in C (Building a Linked List Data Structure) - Crash Course in C Programming

why do header files even exist?

Multiple Files in C (Header and Source Files)

BETTER Header Files and Preprocessor Debugging

How To Create A Library And Split A Program Across Multiple Files | C Programming Tutorial

Dr. Chuck reads C Programming (the classic book by Kernigan and Ritchie)

Short introduction to header files in C

[Day 16] - Static and Dynamic Libraries (ar, objdump, ld, ldd) - Crash Course in C Programming

Pointers in C for Absolute Beginners – Full Course

First Day learning the C Programming Language - Crash Course in C Programming

4 JavaScript Projects under 4 Hours | JavaScript Projects For Beginners | JavaScript | Simplilearn

The Sound of Inner Peace 7 | Relaxing Music for Meditation, Yoga, Stress Relief, Zen & Deep Sleep

In 54 Minutes, Understand the whole C and C++ compilation process

Header files and libraries (Kevin Lynch)

Your Seventh Day in C (Pointer are not arrays, and 2D arrays) - Crash Course in C Programming

Advanced C: The UB and optimizations that trick good programmers.

Understanding Header Files in C

Interface (.hpp) versus implementation (.cpp) files (and why they exist) | Modern Cpp Series Ep. 36