list head meaning in English

表头

Care must be taken , however , to ensure that the head of the list is properly updated when insertions or removals change the list head
不过，当插入或者删除操作改变了列表头时，必须引起注意，确保正确地更新了列表的头文件。
In the absence of locking , the implementation must be prepared to deal with stale or inconsistent values of any variables it uses , such as the list head pointer and the fields of the
如果不使用锁定，那么实现必须有能力处理它用到的所有变量的过时的或者不一致的值，比如说列表头指针和
This means that elements cannot be added to or removed from the middle or end of the hash chain - elements can only be added at the beginning , and removal involves cloning all or part of the chain and updating the list head pointer
这就意味着不能将元素添加到hash链的中间或末尾，或者从hash链的中间或末尾删除元素而只能从hash链的开头添加元素，并且删除操作包括克隆整个链或链的一部分并更新列表的头指针。