472         int infd;  in operate_do()  local
487         infd = STDIN_FILENO;  in operate_do()
653           infd = -1;  in operate_do()
660               infd = open(uploadfile, O_RDONLY | O_BINARY);  in operate_do()
663               infd = open(uploadfile, O_RDONLY | O_BINARY,  in operate_do()
667           if(infd == -1)  in operate_do()
669           infd = open(uploadfile, O_RDONLY | O_BINARY);  in operate_do()
670           if((infd == -1) || fstat(infd, &fileinfo))  in operate_do()
674             if(infd != -1) {  in operate_do()
675               close(infd);  in operate_do()
676               infd = STDIN_FILENO;  in operate_do()
715           DEBUGASSERT(infd == STDIN_FILENO);  in operate_do()
719             if(curlx_nonblock((curl_socket_t)infd, TRUE) < 0)  in operate_do()
721                     "fcntl failed on fd=%d: %s\n", infd, strerror(errno));  in operate_do()
814         input.fd = infd;  in operate_do()
1729           close(infd);  in operate_do()