#define TIOCL_SCROLLCONSOLE 13 /* scroll console */
#define TIOCL_BLANKSCREEN 14 /* keep screen blank even if a key is pressed */
#define TIOCL_BLANKEDSCREEN 15 /* return which vt was blanked */
#define TIOCL_SCROLLCONSOLE 13 /* scroll console */
#define TIOCL_BLANKSCREEN 14 /* keep screen blank even if a key is pressed */
#define TIOCL_BLANKEDSCREEN 15 /* return which vt was blanked */