前面的示例讨论了符号隐藏。

The previous example discussed symbol hiding.

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使用dlsym提取一个隐藏的符号将会返回NULL。

Using dlsym to extract a hidden symbol returns NULL.

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用肉眼看来，很难辨识这些符号，不过通过放大镜你可以看到在右边瞳孔(从画作上看是左边)后隐藏的字母lv。

To the naked eye, the symbols are hard to distinguish, but with a magnifying glass you can see the letters LV behind the right pupil (the left when watching the painting).

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