curl_share_errno Return the last share curl error number &reftitle.description; intcurl_share_errno resourcesh Return an integer containing the last share curl error number. &reftitle.parameters; sh A cURL share handle returned by curl_share_init. &reftitle.returnvalues; Returns an integer containing the last share curl error number, &return.falseforfailure;. &reftitle.seealso; curl_errno