module type INTERNAL =sig
..end
val enum : (string * int64) list -> 'a Ctypes.typ -> unit
val structure : 'a Ctypes.structure Ctypes.typ -> unit
val union : 'a Ctypes.union Ctypes.typ -> unit
val typedef : 'a Ctypes.typ -> string -> unit
val internal : ?runtime_lock:bool -> string -> ('a -> 'b) Ctypes.fn -> ('a -> 'b) -> unit