sig
type in_channel
type out_channel
val make_in_channel :
(string -> int -> int -> int Lwt.t) -> Lwt_chan.in_channel
val input_line : Lwt_chan.in_channel -> string Lwt.t
val input_value : Lwt_chan.in_channel -> 'a Lwt.t
val input : Lwt_chan.in_channel -> string -> int -> int -> int Lwt.t
val really_input :
Lwt_chan.in_channel -> string -> int -> int -> unit Lwt.t
val input_char : Lwt_chan.in_channel -> char Lwt.t
val make_out_channel :
(string -> int -> int -> int Lwt.t) -> Lwt_chan.out_channel
val output : Lwt_chan.out_channel -> string -> int -> int -> unit Lwt.t
val flush : Lwt_chan.out_channel -> unit Lwt.t
val output_string : Lwt_chan.out_channel -> string -> unit Lwt.t
val output_value : Lwt_chan.out_channel -> 'a -> unit Lwt.t
end