extern PIMAGE wh;
extern PIMAGE bl;
extern PIMAGE vwh;
extern PIMAGE vbl;
extern PIMAGE bk1;
extern PIMAGE ic;
extern PIMAGE pl1;
extern PIMAGE pl2;
extern PIMAGE pl1w;
extern PIMAGE pl2w;
extern PIMAGE vs1;
extern PIMAGE ex;
extern PIMAGE re;
extern PIMAGE vs2;
extern PIMAGE logo;
extern PIMAGE cb;
extern PIMAGE win;
extern PIMAGE gobang;
extern PIMAGE dr;
extern PIMAGE idex;
extern PIMAGE bk;
extern PIMAGE vx;
extern char board[17][17]; //对局棋盘
extern int prx, pry;