In this video, we explain how the "sizeof" operator differs fundamentally from the "strlen(3)" library function and why it is important to not confuse the two.

Slides for this lecture: https://stevens.netmeister.org/631/tt/sizeof/tt-sizeof.pdf
Code: https://stevens.netmeister.org/631/tt/sizeof/sizeof.c
Course website: https://stevens.netmeister.org/631/
sizeof manual page: https://raw.githubusercontent.com/jschauma/manpages/main/man7/sizeof.7.txt