+ dest->n_tty = src->n_tty;
+ if (src->tty_list)
+ dest->tty_list = talloc_array(dest, char *, src->n_tty);
+ for (i = 0; i < src->n_tty && src->n_tty; i++)
+ dest->tty_list[i] = talloc_strdup(dest->tty_list,
+ src->tty_list[i]);
+
+ if (src->boot_tty)
+ dest->boot_tty = talloc_strdup(dest, src->boot_tty);
+