Structure of entries in the passwd database.
type t = Core.Unix.Passwd.t = {name : string; | 
passwd : string; | 
uid : int; | 
gid : int; | 
gecos : string; | 
dir : string; | 
shell : string; | 
}val getbyname : string ‑> t option Async_unix__.Import.Deferred.tval getbyname_exn : string ‑> t Async_unix__.Import.Deferred.tval getbyuid : int ‑> t option Async_unix__.Import.Deferred.tval getbyuid_exn : int ‑> t Async_unix__.Import.Deferred.t