146 int Curl_socket_check(curl_socket_t readfd0, /* two sockets to read from */  in Curl_socket_check()  argument
168   if((readfd0 == CURL_SOCKET_BAD) && (readfd1 == CURL_SOCKET_BAD) &&  in Curl_socket_check()
188   if(readfd0 != CURL_SOCKET_BAD) {  in Curl_socket_check()
189     pfd[num].fd = readfd0;  in Curl_socket_check()
234   if(readfd0 != CURL_SOCKET_BAD) {  in Curl_socket_check()
263   if(readfd0 != CURL_SOCKET_BAD) {  in Curl_socket_check()
264     VERIFY_SOCK(readfd0);  in Curl_socket_check()
265     FD_SET(readfd0, &fds_read);  in Curl_socket_check()
266     FD_SET(readfd0, &fds_err);  in Curl_socket_check()
267     maxfd = readfd0;  in Curl_socket_check()
348   if(readfd0 != CURL_SOCKET_BAD) {  in Curl_socket_check()
349     if(FD_ISSET(readfd0, &fds_read))  in Curl_socket_check()
351     if(FD_ISSET(readfd0, &fds_err))  in Curl_socket_check()