You can search for identifiers within the package.
in-package search v0.2.0
val t : unit Ctypes_static.ptr Ctypes.typ
val generate_key : (int -> int -> (int -> int -> unit Ctypes_static.ptr -> unit) option -> unit Ctypes_static.ptr -> unit Ctypes_static.ptr F.return) F.result
val free : (unit Ctypes_static.ptr -> unit F.return) F.result