point.h

Object-Oriented Programming With ANSI-C这本书中的源代码!找了很久

#ifndef	POINT_H
#define	POINT_H

#include "Object.h"

extern const void * Point;			/* new(Point, x, y); */

void draw (const void * self);
void move (void * point, int dx, int dy);

extern const void * PointClass;		/* adds draw */

void initPoint (void);

#endif