1. 什么是野指针(wild pointer)?
A pointer in c which has not been initialized is known as wild pointer.
野指针(wild pointer)就是没有被初始化过的指针。
2. 什么是悬空指针(dangling pointer)?
If a pointer still references the original memory after it has been freed, it is called a dangling pointer.
悬空指针是指针最初指向的内存已经被释放了的一种指针。
参考：野(wild)指针与悬空(dangling)指针 - veli - 博客园 (cnblogs.com)
标签：dangling,悬空,been,wild,pointer,指针 From： https://www.cnblogs.com/littleheadache/p/17307201.html