/*中序线索二叉树 2014/11/14*/#include<stdio.h>#include<stdlib.h>typedefstructBiTrNoDe{chardata;structBiTrNoDe *lchild;structBiTrNoDe *rchild; unsigned ltag :1;//LINK是1 此处也可以用枚举类型或者宏定义去写unsigned rtag :1;//threading是0}BiTrNode,*BiThre;//---BiThre pre;//声明这个指...