#ifndef POLY_H
#define POLY_H
#include <stdio.h>
struct Poly {
  double sx;
  double sy;
  double R;
  int NV;
};
void initPoly(struct Poly* P);
void poly(struct Poly wielo, const char *fname);
void piszPoly(struct Poly wielo, FILE *fh);
void polyCoords(struct Poly P, double x[], double y[], int * NWp);

#endif 
