val to_bigsubstring : Cstruct.t -> Core.Bigsubstring.t
val of_bigsubstring : Core.Bigsubstring.t -> Cstruct.t
val read :
Async.Reader.t ->
Cstruct.t ->
int Async.Reader.Read_result.t Async.Deferred.t
val schedule_write : Async.Writer.t -> Cstruct.t -> unit
module Pipe : sig ... end