I think he means he wants to assign each room (each struct) an ID number. That can certainly be stored within each struct as a member of the struct. However, I don't know why he'd need it at all given ...

I'm trying to write a multiplayer game, and have set up a struct to hold my packet data. This struct is about 140 bytes in size, and sometimes doesn't send all in one go. Does anyone know how to type ...