空指针错误通常是一个或多个程序员假设出错的结果。

Null pointer errors are usually the result of one or more programmer assumptions being violated.

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而由指针错误引起的调试问题连富有经验的程序员都感到头疼。

Debugging problems due to pointer errors bedevil even experienced programmers.

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如果使用不安全代码，由您负责确保您的代码不会引起安全风险或指针错误。

If you use unsafe code, it is your responsibility to ensure that your code does not introduce security risks or pointer errors.

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Number one, the basic structure is that you have a pointer and it points over to a pointee, but the pointer and pointee are separate and the common error is to set up a pointer but to forget to give it a pointee.

第一，基本结构是，你有一个,指向数据的指针，但是那个指针和数据,是分开的，通常错误是声明了一个指针,但是没有指向一个数据。

哈佛公开课 - 计算机科学课程节选