text: //
  //  point.h
  //  Blasteroids
  //
  //  Created by Marcelo Camargo on 11/17/18.
  //
  #ifndef point_h
  #define point_h
  
  #include <stdio.h>
  #include <stdlib.h>
  
  typedef struct Point2 Point2;
  struct Point2
  {
      float x, y;
      Point2 * next;
  }; 
  
  Point2 * create_point2(float x, float y);
  void destroy_point(Point2 * p);
  
  #endif /* point_h */
  