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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. typedef struct {
  5. 		void *(*fp)(int);
  6. } funcptr_wrapper;
  7.  
  8. void *returns_null(int i)
  9. {
  10. 	return NULL;
  11. }
  12.  
  13. int main(void)
  14. {
  15. 	funcptr_wrapper *w = malloc(sizeof *w);
  16. 	w->fp = &returns_null;
  17. 	printf("Return value: %p\n", w->fp(1337));
  18. 	free(w);
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0s 2424KB
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stdin
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Standard input is empty
stdout
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Return value: (nil)
https://ideone.com/XUyPP2
language:
C99 (gcc 8.3)
created:
12 years ago
visibility:
public

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