Function tcflush

components/libc/posix/io/termios/termios.c:197–200

* @brief Flushes data from a terminal input or output queue. * @param fd File descriptor of the terminal device. * @param queue Queue to be flushed (TCIFLUSH, TCOFLUSH, or TCIOFLUSH). * @return Upon successful completion, returns 0; otherwise, returns -1 and sets errno to indicate the error. * * @note This function flushes data from the input or output queue of the terminal device s

 *          If the ioctl operation fails, errno is set to indicate the error, and the function returns -1.
 */
int tcflush(int fd, int queue)
{
    return ioctl(fd, TCFLSH, (void*)(rt_ubase_t)queue);
}

/**
 * @brief   Controls the terminal flow control.