You can search for identifiers within the package.
in-package search v0.2.0
val t : unit Ctypes_static.ptr Ctypes.typ
val free' : unit Ctypes_static.ptr -> unit
val free : unit Ctypes_static.ptr Ctypes.ptr -> unit
val iter : ('a Ctypes_static.ptr -> unit) -> unit Ctypes_static.ptr Ctypes.ptr -> 'a Ctypes.typ -> unit
val to_list : unit Ctypes_static.ptr Ctypes.ptr -> 'a Ctypes.typ -> 'a Ctypes_static.ptr list