You can search for identifiers within the package.
in-package search v0.2.0
data.ml
1 2 3 4 5 open! Core type t external free : Context.t -> t -> unit = "caml_krb5_free_data_contents"
1 2 3 4 5
open! Core type t external free : Context.t -> t -> unit = "caml_krb5_free_data_contents"