function url_get(,1,,,)
  function \1_data
  function \1_closed

procedure url_pollurl()
  integer url%
  integer status%
  integer buf%
  integer given%
  integer buflen%
  integer headend%

function urlbuffer_get(,1,)
  integer urlb%
  function \1_complete
  function \1_status
  function \1_head
