int number_backup;
int next_digit;
int total_counter = 0;
int current_counter;

for (int i = 0; i <=9 ; i++)
{
     int number_backup = number;
     current_counter = 0;

     while (number_backup > 0)
     {
          next_digit = number_backup % 10;
          number_backup = number_backup / 10;

          if (i == next_digit)
          {
                current_counter++'
          }
     }

     if (current_counter > 1)
     {
           total_counter += current_counter;
     }
}

printf("%d",total_counter);