void insert(treeNode **parent, int value)
{
   treeNode *newnode;

   newnode = (treeNode*)malloc(sizeof(treeNode));
   newnode->right = NULL;
   newnode->left = NULL;
   newnode->frequency = 0;

   if ((*parent) == NULL)
   {
      *parent = newnode;
      (*parent)->value = value;
      //	printf("Added = %d\n", value);fflush(stdout);
      (*parent)->frequency = 1;
      return;
   }

   if ((*parent)->value == value)
   {
      (*parent)->frequency++;
   }

   if (value < (*parent)->value)
   {
      insert(&(*parent)->left, value);
   }
   else
   {
      insert(&(*parent)->right, value);
   }
};