#define MaxSize 100
typedef struct BTree   
{
	int data;
	struct BTree *Lchild;
	struct BTree *Rchild;
}BT;
void inorder(BT *bt)
{
	int i = 0;
	BT *s[MaxSize], *p;
	p = bt;
	do {
		while (p != NULL)
		{
			s[i++] = p;
			p = p->Lchild;
		}
		if (i>0)
		{
			p = s[i--];
			printf("%d", p->data);
			p->Rchild;
		}
	} while (i>0 || p != NULL)
}