So, if you are about to take Exam 01: close your browser, open your terminal, and practice ft_strdup until you dream of null terminators. Your future self will thank you.
More importantly, passing Exam 01 is a rite of passage. You will emerge with a newfound respect for C’s memory model and a permanent habit of typing while (*s++) correctly on the first try. Exam 01 of the 42 Piscine is the first real filter in a journey designed to forge disciplined, resourceful programmers. It strips away everything except your ability to read a spec, manage memory, and handle edge cases. Surviving it does not just teach you C—it teaches you rigor .
Good luck — you will need it.