#include "pbm.h"

extern void Clear(Pbm *pbm, int v);
extern void DrawPoint(Pbm *pbm, int x, int y, int v);
extern void DrawLine(Pbm *pbm, int x1, int y1, int x2, int y2, int v);
extern void DrawCircle(Pbm *pbm, int x0, int y0, int r, int v);
extern void Output(Pbm *pbm);