dll_ins5.c

c和指针 学习c语言必须阅读的书籍之一 提高对C语言的掌握理解能力

	/*
	** Add the new node to the list.
	*/
	newnode->fwd = next;
	this->fwd = newnode;
	newnode->bwd = this != rootp ? this : NULL;
	( next != NULL ? next : rootp )->bwd = newnode;