-extern int generate_captures(const Position &pos, MoveStack *mlist);
-extern int generate_noncaptures(const Position &pos, MoveStack *mlist);
-extern int generate_checks(const Position &pos, MoveStack *mlist, Bitboard dc);
-extern int generate_evasions(const Position &pos, MoveStack *mlist);
-extern int generate_legal_moves(const Position &pos, MoveStack *mlist);
-extern Move generate_move_if_legal(const Position &pos, Move m, Bitboard pinned);