You can search for identifiers within the package.
in-package search v0.2.0
val t : unit Ctypes_static.ptr Ctypes.typ
val obj2nid : (unit Ctypes_static.ptr -> int F.return) F.result
val nid2sn : (int -> string option F.return) F.result
val txt2nid : (string -> int F.return) F.result