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Const pointer
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closed as a duplicate of: const pointer 
The output of below code is_______________.

int main()
{
   int i = 120;
   int *a = &i;
   foo(&a);
   printf("%d ", *a);
   printf("%d ", *a);
}
void foo(int **const a)
{
  int j = 210;
  *a = &j;
  printf("%d ", **a);
}
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