module Rpc_auth_sys:sig..end
typeidentity =[ `Effective_user | `Real_user | `This_user of int * int * int array * string ]
val client_auth_method : ?identity:identity -> unit -> Rpc_client.auth_methodval server_auth_method : ?lookup_hostname:bool ->
?require_privileged_port:bool -> unit -> Rpc_server.auth_methodval parse_user_name : string -> int * int * int array * string