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  1. #include <stdio.h>
  2.  
  3. #define PRINT(x) printf("%-24s: %zu\n", #x, sizeof(x))
  4.  
  5. int main(void)
  6. {
  7. 	// 포인터의 배열을 가리키는 포인터를 반환하는 함수 포인터의 배열을 가리키는 포인터
  8. 	// declare foo as pointer to array 17 of pointer to function (void) returning pointer to array 23 of pointer to char
  9. 	char *(*(*(*foo)[17])(void))[23];
  10.  
  11. 	PRINT(        foo             );
  12. 	PRINT(       *foo             );
  13. 	PRINT(      (*foo)[0]         );
  14. 	PRINT(      (*foo)[0]()       );
  15. 	PRINT(    *((*foo)[0]())      );
  16. 	PRINT(   (*((*foo)[0]()))[0]  );
  17. 	PRINT( *((*((*foo)[0]()))[0]) );
  18.  
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5416KB
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stdin
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Standard input is empty
stdout
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foo                     : 8
*foo                    : 136
(*foo)[0]               : 8
(*foo)[0]()             : 8
*((*foo)[0]())          : 184
(*((*foo)[0]()))[0]     : 8
*((*((*foo)[0]()))[0])  : 1
https://ideone.com/6dJeJG
language:
C (gcc 8.3)
created:
3 years ago
visibility:
secret

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