-extern MoveStack* generate_captures(const Position& pos, MoveStack* mlist);
-extern MoveStack* generate_noncaptures(const Position& pos, MoveStack* mlist);
-extern MoveStack* generate_non_capture_checks(const Position& pos, MoveStack* mlist);
-extern MoveStack* generate_evasions(const Position& pos, MoveStack* mlist);
-extern MoveStack* generate_moves(const Position& pos, MoveStack* mlist, bool pseudoLegal = false);
-extern bool move_is_legal(const Position& pos, const Move m, Bitboard pinned);
-extern bool move_is_legal(const Position& pos, const Move m);