extern int checker(int  , int  , const char*);
extern const char* getmemWithLine(int  , const char*  , int );
extern const char* saymemWithLine(const char*  , int  , int  , int );
extern void myfree(void *  , int );
extern XPoint getWindowPositionXY(Display *  , Window );
extern XPoint getWindowSizeXY(Display *  , Window );