A common "gatekeeper" topic for Exam 01 is understanding argc and argv to write programs that respond to terminal input.
The difficulty of the exam is cumulative. To succeed in Exam 01, you should be comfortable with: Exam 01 Piscine 42
Recreating standard library functions like ft_putchar or ft_putstr using only the write function. A common "gatekeeper" topic for Exam 01 is