checkkey
if (checkkey() != -1 && ASCII_CHAR(getkey()) == K_INTR) {
if (term_table[i].checkkey () >= 0)
while (checkkey () == -1)
return current_term->checkkey ();
int checkkey (void);
if (checkkey () != -1 && ASCII_CHAR (getkey ()) == '\e')
if (checkkey () >= 0 || grub_timeout < 0)
int (*checkkey) (void);