no_wait()
{
    int fd , i;
    struct termio test;

/* Remember to substitute the terminal's name */

    fd=open(ttyname(0),O_WRONLY);

    ioctl(fd, TCGETA, &test);

/* Put all the changes in here */
    test.c_cc[VMIN]=1;
    test.c_lflag = ISIG;

    ioctl(fd, TCSETA, &test);
    close(fd);
}