FAQ: s/CURLOPT_PROGRESSFUNCTION/CURLOPT_XFERINFOFUNCTION

  timed out.

  The most flexible way is by writing your own time-out logic and using

  CURLOPT_PROGRESSFUNCTION (perhaps in combination with other callbacks) and

  CURLOPT_XFERINFOFUNCTION (perhaps in combination with other callbacks) and

  use that to figure out exactly when the right condition is met when the

  transfer should get stopped.