VT_ACTIVATE
(void) ioctl(fd, VT_ACTIVATE, 1);
(void) ioctl(daemonfd, VT_ACTIVATE, target_vt);
(void) ioctl(daemonfd, VT_ACTIVATE, VT_DAEMON_ARG);
(void) ioctl(daemonfd, VT_ACTIVATE, target_vt);
case VT_ACTIVATE: