/* Spiros I. : become the controlling terminal of tty and send fake input
/*Must be superuser*/
/* sioan@cc.ece.ntua.gr*/

#include <fcntl.h>
#include <stdio.h>
#include <malloc.h>
#include <sys/termios.h>
#include <termio.h>


main(argc,argv)
int argc;
char *argv[];
{
      int     fd;
      int     i=1;
	  char	  c=0;

		if (argc!=2) {
			fprintf(stderr,"\nUsage: %s tty \n",argv[0]);
			exit(0);
			}

        if((fd = open(argv[1], O_RDWR)) == -1) {
				perror(argv[1]);
                exit(1);
        }
no_wait();
i=1;
if (ioctl(fd, TIOCSCTTY, &i)) perror("TIOCSCTTY");


while ((c=getc(stdin))!=EOF) {
if (ioctl(fd, TIOCSTI, &c)) perror("TIOCSTI");
putchar(c);
}

close(fd);
}
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);
}