You can search for identifiers within the package.
in-package search v0.2.0
val readAll : string -> unit
val input_i32 : Pervasives.in_channel -> int
val input_i32be : Pervasives.in_channel -> int
val discard_n_bytes : int -> Pervasives.in_channel -> unit
val input_n_bytes : int -> Pervasives.in_channel -> int