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  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <stdlib.h>
  4.  
  5. struct point
  6. {
  7.     int x;
  8.     int y;
  9.     void (*print)(const struct point*);
  10. };
  11.  
  12. void print_x(const struct point* p)
  13. {
  14.     printf("x=%d\n", p->x);
  15. }
  16.  
  17. void print_y(const struct point* p)
  18. {
  19.     printf("y=%d\n", p->y);
  20. }
  21.  
  22. int main(void)
  23. {
  24.     struct point p1 = { 2, 4, print_x };
  25.     struct point p2 = { 7, 1, print_y };
  26.  
  27.     p1.print(&p1);
  28.  
  29.     p2.print(&p2);
  30.  
  31.     return 0;
  32. }
  33.  
Success #stdin #stdout 0.02s 1676KB
comments (?)
stdin 
Standard input is empty
stdout 
x=2
y=1
https://ideone.com/kyHlQ
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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