145 int Curl_socket_check(curl_socket_t readfd0, /* two sockets to read from */  in Curl_socket_check()  argument
172   if((readfd0 == CURL_SOCKET_BAD) && (readfd1 == CURL_SOCKET_BAD) &&  in Curl_socket_check()
192   if(readfd0 != CURL_SOCKET_BAD) {  in Curl_socket_check()
193     pfd[num].fd = readfd0;  in Curl_socket_check()
239   if(readfd0 != CURL_SOCKET_BAD) {  in Curl_socket_check()
268   if(readfd0 != CURL_SOCKET_BAD) {  in Curl_socket_check()
269     VERIFY_SOCK(readfd0);  in Curl_socket_check()
270     FD_SET(readfd0, &fds_read);  in Curl_socket_check()
271     FD_SET(readfd0, &fds_err);  in Curl_socket_check()
272     maxfd = readfd0;  in Curl_socket_check()
354   if(readfd0 != CURL_SOCKET_BAD) {  in Curl_socket_check()
355     if(FD_ISSET(readfd0, &fds_read))  in Curl_socket_check()
357     if(FD_ISSET(readfd0, &fds_err))  in Curl_socket_check()