print_tree_iterative.c

void print_tree_iterative(Node *root){
	Stack *nodes = (Stack*)malloc(sizeof(Stack));
	init_Stack(nodes);
	push(nodes, root);
	while (!empty(nodes)){
		Node * node = pop(nodes);

		if (node->right){
			memcpy(node->right->code, node->code, node->depth);
			node->right->code[node->depth] = 1;
			push(nodes, node->right);
		}

		if (node->left){
			memcpy(node->left->code, node->code, node->depth);
			node->left->code[node->depth] = 0;
			push(nodes, node->left);
		}

		if (!node->left && !node->right){
			printf("0x%02X (%c): ", node->symbol, node->symbol);
			printArr(node->code, node->depth);
		}
	}
}