https://github.com/teeworlds/teeworlds/blob/26d24ec061d44e6084b2d77a9b8a0a48e354eba6/src/engine/shared/network.h#L322-L324 In my opinion it is a bit non obvious which of those variable is responsible for what. Adding a short comment above those 3 variable definitions could make the code way more readable.