anchor.diff:  
   
   api_b_getifaddrs() ->
  -    case net:getifaddrs() of
  +    try net:getifaddrs() of
           {ok, IfAddrs} ->
               i("IfAddrs: "
                 "~n   ~p", [IfAddrs]),
  
positive.code:         {ok, Hostname} ->
              i("hostname: ~s", [Hostname]),
              ok;
          {error, Reason} ->
              ?FAIL(Reason)
      end.
  
negative.code:             Config
      catch
          error : notsup ->
              {skip, "net not supported"}
      end.
  
  end_per_suite(_) ->
  