copying numbers into an array without repetition

   #include <iostream.h>
   
   void copyarray (int*, int*, int);
   
   int main ( void )
   {
       int a[9] = {1,2,3,4,5,6,7,8,9};
       int b[9];
   
       copyarray ( a ,b, 0 );
   
       for (int i = 0; i < 9; i++ )
          cout << b[i] << ' ';
   
   return 0;
   }
   
   void copyarray (int *a, int *b, int i)
   {
       if (i <= 9)
       {
 	       b[i] = a[i];
 	copyarray ( a, b, i+1 );
       }
   }