1077                                  struct curl_waitfd extra_fds[],  argument
1225     extra_fds[i].revents = 0;
1226     pre_poll.fd = extra_fds[i].fd;
1229     if(extra_fds[i].events & CURL_WAIT_POLLIN) {
1233     if(extra_fds[i].events & CURL_WAIT_POLLPRI) {
1237     if(extra_fds[i].events & CURL_WAIT_POLLOUT) {
1243         extra_fds[i].revents |= CURL_WAIT_POLLIN;
1245         extra_fds[i].revents |= CURL_WAIT_POLLPRI;
1247         extra_fds[i].revents |= CURL_WAIT_POLLOUT;
1248       if(extra_fds[i].revents)
1251     if(WSAEventSelect(extra_fds[i].fd, multi->wsa_event, mask) != 0)
1254     ufds[nfds].fd = extra_fds[i].fd;
1256     if(extra_fds[i].events & CURL_WAIT_POLLIN)
1258     if(extra_fds[i].events & CURL_WAIT_POLLPRI)
1260     if(extra_fds[i].events & CURL_WAIT_POLLOUT)
1300         mask = extra_fds[i].revents;
1301         if(WSAEnumNetworkEvents(extra_fds[i].fd, multi->wsa_event,
1312         WSAEventSelect(extra_fds[i].fd, multi->wsa_event, 0);
1323         extra_fds[i].revents = mask;
1416                           struct curl_waitfd extra_fds[],  argument
1421   return Curl_multi_wait(multi, extra_fds, extra_nfds, timeout_ms, ret, FALSE,
1426                           struct curl_waitfd extra_fds[],  argument
1431   return Curl_multi_wait(multi, extra_fds, extra_nfds, timeout_ms, ret, TRUE,