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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. typedef struct _Foo_
  5. {
  6.     int number;
  7.     char character;
  8.     float ratio;
  9.  
  10. } Foo;
  11.  
  12. Foo* createFoo()
  13. {
  14. 	return (Foo*)malloc(sizeof(Foo));
  15. }
  16.  
  17. void destroyFoo(Foo** foo)
  18. {
  19.     if (!foo | !(*foo)) return;
  20.     free(*foo);
  21.     *foo = NULL;
  22. }
  23.  
  24. int main()
  25. {
  26. 	Foo* a = NULL;
  27.     Foo* b = createFoo();
  28.  
  29.     destroyFoo(NULL);
  30.     destroyFoo(&a);
  31.     destroyFoo(&b);
  32.  
  33. 	printf("success");
  34. 	return 0;
  35. }
  36.  
Success #stdin #stdout 0s 2244KB
comments (?)
stdin 
Standard input is empty
stdout 
success
https://ideone.com/kycmRd
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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