point.h

   1 #ifndef POINT_H
   2 #define POINT_H
   3
   4 typedef struct {
   5         int x;
   6         int y;
   7 } point;
   8
   9 #define point_equal(A, B) ((A).x == (B).x && (A).y == (B).y)
  10 #define make_point(A, B) ((point) {(A), (B)})
  11
  12 #endif