Requiem.QUIC.NIF.config_load_verify_locations_from_file

You're seeing just the function config_load_verify_locations_from_file, go back to Requiem.QUIC.NIF module for more information.
Link to this function

config_load_verify_locations_from_file(ptr, file)

Specs

config_load_verify_locations_from_file(integer(), binary()) ::
  :ok | {:error, :system_error | :not_found}