All you need to know about variadic functions (audio kinda suck)
45:46
Let's build a mini printf function
13:49
What are variadic functions (va_list) in C?
38:04
All you need to know about linked lists, Libft
1:01:53
Makefiles: 95% of what you need to know
15:50
How to create functions with a variable number of arguments using stdarg.h | C Programming Tutorial
30:36
All you need to know about the command line arguments argc and *argv[ ]
11:12
Recursion in C
1:49:49