code/__HELPERS/clients.dm 
| /proc/is_guest_key | Returns whether or not a player is a guest using their ckey as an input |
|---|---|
| /proc/get_mob_by_ckey | Returns a mob type controlled by a specified ckey |
| /proc/get_client_by_ckey | Finds a client by their ckey, handling stealth keys |
| /proc/find_stealth_key | Resolves a stealth key to its original ckey |