point_t p2;
};
+int8_t corn_is_near(uint8_t *corn_idx, uint8_t side);
+
void num2line(struct line_2pts *l, uint8_t dir, uint8_t num);
-uint8_t line2line(uint8_t dir1, uint8_t num1,
- uint8_t dir2, uint8_t num2);
+uint8_t line2line(uint8_t num1, uint8_t dir1,
+ uint8_t num2, uint8_t dir2);