pkg net, type Dialer struct, LocalAddr Addr
pkg net, type Dialer struct, Timeout time.Duration
pkg net, type IPAddr struct, Zone string
pkg net, type NS struct
pkg net, type NS struct, Host string
pkg net, type TCPAddr struct, Zone string
pkg net, type UDPAddr struct, Zone string
pkg net/http, const DefaultMaxHeaderBytes = 1048576
pkg net/http, const DefaultMaxIdleConnsPerHost = 2

   ensure that, in the event an Application does not supply the
   function or data, the facility still operates, and performs
   whatever part of its purpose remains meaningful, or

   b) under the GNU GPL, with none of the additional permissions of
   this License applicable to that copy.

  3. Object Code Incorporating Material from Library Header Files.