-extern const std::string move_to_san(Position &pos, Move m);
-extern Move move_from_san(Position &pos, const std::string &str);
-extern const std::string line_to_san(const Position &pos, Move line[],
- int startColumn, bool breakLines);
-extern const std::string pretty_pv(const Position &pos, int time, int depth,
- uint64_t nodes, Value score, Move pv[]);
-
+extern const std::string move_to_san(Position& pos, Move m);
+extern Move move_from_san(const Position& pos, const std::string& str);
+extern const std::string line_to_san(const Position& pos, Move line[], int startColumn, bool breakLines);
+extern const std::string pretty_pv(const Position& pos, int time, int depth, uint64_t nodes, Value score, ValueType type, Move pv[]);