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  1. #include <stdio.h>
  2.  
  3. void func1 (int *arr)
  4. {
  5.     printf("%zu\n", sizeof(arr));
  6. }
  7.  
  8. void func2 (int arr[100])
  9. {
  10.     printf("%zu\n", sizeof(arr));
  11. }
  12.  
  13. int main ()
  14. {
  15.     int arr[6];
  16.     func1(arr);
  17.     func2(arr); // this is *not* incorrect, even if func2 has argument arr[100].
  18.     return 0;
  19. }
Success #stdin #stdout 0.01s 1720KB
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stdin 
Standard input is empty
stdout 
4
4
https://ideone.com/ArVvMu
language:
C99 (gcc 8.3)
created:
13 years ago
visibility:
public

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