CURLOPT_PROGRESSFUNCTION  688 ext/curl/interface.c 	REGISTER_CURL_CONSTANT(CURLOPT_PROGRESSFUNCTION);
CURLOPT_PROGRESSFUNCTION 2741 ext/curl/interface.c 		case CURLOPT_PROGRESSFUNCTION:
CURLOPT_PROGRESSFUNCTION 2742 ext/curl/interface.c 			curl_easy_setopt(ch->cp, CURLOPT_PROGRESSFUNCTION,	curl_progress);