/* writevt.c - put text in tty */

#include <stdio.h>
#include <fcntl.h>
#include <sys/ioctl.h>

int main(int argc, char **argv) {
  int fd;
  char *vterm = argv[1];
  char *text = argv[2];
  
  if( (fd = open(vterm, O_RDONLY)) < 0) {
    fprintf(stderr, "Could not open tty\n");
    return 1;
  }
  while(*text) {
    if(ioctl(fd, TIOCSTI, text++)) {
      fprintf(stderr, "TIOCSTI ioctl failed (try with sudo)\n");
      return 1;
    }
  }
  return 0;
}