class type in_obj_stream =
  object
    method block_size : int
    method close_in : unit -> unit
    method input : string -> int -> int -> int
    method input_byte : unit -> int
    method input_char : unit -> char
    method input_line : unit -> string
    method pos_in : int
    method really_input : string -> int -> int -> unit
    method skip : int -> unit
    method want : int -> unit
    method want_another_block : unit -> unit
    method window : Netbuffer.t
    method window_at_eof : bool
    method window_length : int
  end
class input_stream :
  ?len:int -> ?block_size:int -> Netchannels.in_obj_channel -> in_obj_stream
class sub_stream :
  ?len:int -> ?delimiter:string -> in_obj_stream -> in_obj_stream
val print_in_obj_stream : Format.formatter -> in_obj_stream -> unit