You can search for identifiers within the package.
in-package search v0.2.0
type buf = Cstruct.t
module Rpc : sig ... end
module type RW = sig ... end
module Reverse (RW : RW) : RW
module type STREAM = sig ... end
module type READABLE = sig ... end
module type WRITABLE = sig ... end
module type S = sig ... end
module Pipe (RW : RW) : S
module type Bidirectional_byte_stream = sig ... end
val zero : Cstruct.t -> unit
val unsafe_load_uint32 : Cstruct.t -> int -> int
val unsafe_save_uint32 : Cstruct.t -> int -> int -> unit