oop_in_c/Figure.h

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#ifndef __FIGURE_H__
#define __FIGURE_H__
#include <stdio.h>
#include "Object.h"
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struct Figure;
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typedef struct Figure_interface
{
Object_interface;
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const char* (*type) (struct Figure *this);
void (*draw) (struct Figure *this);
double (*area) (struct Figure *this);
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} Figure_interface;
typedef struct Figure
{
Figure_interface *vtable;
} Figure;
#endif // __FIGURE_H__