polling. */ nfds = 2; fds[0].fd = STDIN_FILENO; /* Console input */ fds[0].events = POLLIN ... Empty stdin and quit. */ while (read(STDIN_FILENO, &buf, 1) > 0 && buf != '\n') conti…polling. */ nfds = 2; fds[0].fd = STDIN_FILENO; /* Console input */ fds[0].events = POLLIN ... empty stdin and quit. */ while (read(STDIN_FILENO, &buf, 1) > 0 && buf != '\n') conti…verbose output will be produced on STDERR_FILENO. $DEBUGINFOD_RETRY_LIMIT This environment variable governsExamples: .Dv NULL .Dv BUFSIZ .Dv STDOUT_FILENO See also Er and Ev for specialcode == SI_ASYNCIO) { write(STDOUT_FILENO, "I/O completion signal received\n", 31); /* The corresponding ioRequest