线索二叉树中插入结点\1.cpp
....................\1.dsp
....................\1.dsw
....................\1.ncb
....................\1.opt
....................\1.plg
....................\Debug\1.exe
....................\.....\1.ilk
....................\.....\1.obj
....................\.....\1.pch
....................\.....\1.pdb
....................\.....\vc60.idb
....................\.....\vc60.pdb
....................\Debug
线索二叉树中插入结点