C Programming - Divisible By 3 or Not (continued)

struct NODE {
    bool returnValue;
    struct NODE *next;
} MOD3_LOOP[3];

bool DivBy3(int n)
{
    MOD3_LOOP[0].returnValue = TRUE;
    MOD3_LOOP[0].next = &MOD3_LOOP[1];

    MOD3_LOOP[1].returnValue = FALSE;
    MOD3_LOOP[1].next = &MOD3_LOOP[2];

    MOD3_LOOP[2].returnValue = FALSE;
    MOD3_LOOP[2].next = &MOD3_LOOP[0];

    NODE *iterator = &MOD3_LOOP[0];
    int val = n;

    while(val != 0) {
        for (int i = 0; i < (val & 0x03); i++)
            iter = iter->next;
        val = val>>2;
    }

    return (iter->returnValue);
}

int div3(int number)
{
 if ( number < 0 ) number = -number;
 while ( number > 2 ) {
   unsigned int odd  = number & 0xaaaaaaaa;  
   unsigned int even  = number & 0x55555555;  
   int count = 0;
   while(odd) {
     odd &= (odd-1);
     count++;
   }
   while(even) {
     even &= (even-1);
     count--;
   }
   if ( count < 0 ) count = -count;
   number = count;
 }
 return (number == 0);
}