Structure of entries in the groups database.
include sig ... endval mem : t ‑> string arrayval gid : t ‑> intval passwd : t ‑> stringval name : t ‑> stringmodule Fields : sig ... endval t_of_sexp : Base.Sexp.t ‑> tval sexp_of_t : t ‑> Base.Sexp.tval getbyname : string ‑> t option Async_unix__.Import.Deferred.tval getbyname_exn : string ‑> t Async_unix__.Import.Deferred.tval getbygid : int ‑> t option Async_unix__.Import.Deferred.tval getbygid_exn : int ‑> t Async_unix__.Import.Deferred.t