Function tcgetattr

components/libc/posix/io/termios/termios.c:30–37

* @brief Gets the current attributes of a terminal device. * @param fd File descriptor of the terminal device. * @param tio Pointer to a struct termios where the attributes will be stored. * @return Upon successful completion, returns 0; otherwise, returns -1. * * @note This function retrieves the current attributes of a terminal device specified by the file descriptor fd. *

 *          If the ioctl operation fails, the function returns -1 to indicate an error.
 */
int tcgetattr(int fd, struct termios *tio)
{
    /* Get the current serial port settings. */
    if (ioctl(fd, TCGETA, tio))
        return -1;

    return 0;
}

/**
 * @brief   Sets the attributes of a terminal device.