CURLOPT_TIMEOUT_MS

CURLOPT_TIMEOUT_MS is one of the accepted parameters for curl_setopt parameter #2.

CURLOPT_TIMEOUT_MS — The maximum number of milliseconds to allow cURL functions to execute.

 If libcurl is built to use the standard system name resolver, that
 portion of the connect will still use full-second resolution for
 timeouts with a minimum timeout allowed of one second.
 Available as of cURL 7.16.2.

CURLOPT_TIMEOUT_MS = 155;