checkpnt.h

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#ifndef checkpoint_h
#define checkpoint_h

#define CKPT(arg1,arg2) if (!arg1.xdr(arg2)) { return false;}

class Checkpoint {
public:
   Checkpoint();
   virtual ~Checkpoint();
      
   static Checkpoint* instance();
   
   boolean out(); // true means to file, false means from file
   boolean xdr(long&);
   boolean xdr(Object*&);
};

#endif