val of_flow : S.TCP.flow -> f
val flow : f -> S.TCP.flow
val read_tcp : f -> (Cstruct.t, unit) Stdlib.result Lwt.t
val send_tcp : S.TCP.flow -> Cstruct.t -> (unit, unit) Stdlib.result Lwt.t
val send_tcp_multiple :
S.TCP.flow ->
Cstruct.t list ->
(unit, unit) Stdlib.result Lwt.t
val send_udp : S.t -> int -> Ipaddr.t -> int -> Cstruct.t -> unit Lwt.t