参数宏
//打印参数宏
#define PRINT_PARAM(i) ht[(i)].num,ht[(i)].c,ht[(i)].weight,\
ht[(i)].parent,ht[(i)].lchild,ht[(i)].rchild
//读取参数宏
#define READ_PARAM(i) &ht[(i)].num,&ht[(i)].c,&ht[(i)].weight,\
&ht[(i)].parent,&ht[(i)].lchild,&ht[(i)].rchild
这些是什么意思啊?不懂!!