函数的第一行语句包含内联程序集代码。

Functions that contain inline assembly code in the first statement.

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总的来说，这四行语句告诉devfsd，当设备注册时，创建兼容设备(如果有的话)，当解除设备注册时，删除兼容设备。

Taken as a whole, these four lines instruct devfsd to create compatibility devices (if any) when a device is registered, and to remove the compatibility devices when the device is unregistered.

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清单10展示了最后一行中sql语句的输出。

Listing 10 shows the output of the SQL statement in the last line.

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