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  1. #include <stdio.h>
  2.  
  3. struct tt
  4. {
  5. 	double a;
  6. 	long b;
  7. 	int c;
  8. 	char d;
  9. };
  10.  
  11. int main(void) {
  12. 	struct tt t;
  13. 	printf("1) sizeof(t)=%d", sizeof(t));
  14. 	struct tt * tp;
  15. 	printf("\n2) sizeof(tp)=%d", sizeof(tp));
  16. 	struct tt * t_arr = (struct tt*)malloc(10*sizeof(struct tt));
  17. 	printf("\n3) sizeof(t_arr)=%d", sizeof(t_arr));
  18. 	printf("\n4) sizeof(t_arr[0])=%d", sizeof(t_arr[0]));
  19. 	struct tt ** tp_arr = (struct tt**)malloc(10*sizeof(struct tt*));
  20. 	printf("\n5) sizeof(tp_arr)=%d", sizeof(tp_arr));
  21. 	printf("\n6) sizeof(tp_arr[0])=%d", sizeof(tp_arr[0]));
  22.  
  23. 	return 0;
  24.  
  25. }
  26.  
Success #stdin #stdout 0s 2112KB
comments (?)
stdin
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Standard input is empty
stdout
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1) sizeof(t)=20
2) sizeof(tp)=4
3) sizeof(t_arr)=4
4) sizeof(t_arr[0])=20
5) sizeof(tp_arr)=4
6) sizeof(tp_arr[0])=4
https://ideone.com/8dWv6L
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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