- (get_line_status_from_point(state, i, j, dl->dir1) == LINE_UNKNOWN) &&
- (get_line_status_from_point(state, i, j, dl->dir2) == LINE_UNKNOWN);
+ (get_line_status_from_point(state, i, j, dlines[desc].dir1) == LINE_UNKNOWN) &&
+ (get_line_status_from_point(state, i, j, dlines[desc].dir2) == LINE_UNKNOWN);