146                       curl_socket_t readfd1,  in Curl_socket_check()  argument
172   if((readfd0 == CURL_SOCKET_BAD) && (readfd1 == CURL_SOCKET_BAD) &&  in Curl_socket_check()
198   if(readfd1 != CURL_SOCKET_BAD) {  in Curl_socket_check()
199     pfd[num].fd = readfd1;  in Curl_socket_check()
246   if(readfd1 != CURL_SOCKET_BAD) {  in Curl_socket_check()
274   if(readfd1 != CURL_SOCKET_BAD) {  in Curl_socket_check()
275     VERIFY_SOCK(readfd1);  in Curl_socket_check()
276     FD_SET(readfd1, &fds_read);  in Curl_socket_check()
277     FD_SET(readfd1, &fds_err);  in Curl_socket_check()
278     if(readfd1 > maxfd)  in Curl_socket_check()
279       maxfd = readfd1;  in Curl_socket_check()
360   if(readfd1 != CURL_SOCKET_BAD) {  in Curl_socket_check()
361     if(FD_ISSET(readfd1, &fds_read))  in Curl_socket_check()
363     if(FD_ISSET(readfd1, &fds_err))  in Curl_socket_check()