一个实现打印的小程序例子，在VC6.0编译器上调试通过。-An implementation example of printing a small program in the VC6.0 compiler to debug through.

用c实现的一个对二叉树的各种操作，包括插入删除等的源代码程序，编译已通过。-A binary tree with c a variety of operations, including the insertion and deletion program source code, the compiler has passed.