获取导出代码时所包括的代码特性元数据的集合。
Gets a collection of code attribute metadata that is included when the code is exported.
第一个是头文件，它声明库导出的所有函数，而且代码中的客户机包括这些函数。
The first is a header file, which declares all the functions exported by the library and will be included by the client in the code.
我们讨论了处理传入和传出的JMS消息所必需的数据绑定和函数选择器代码，以及导出和导入所需的绑定属性。
We discussed the data binding and function selector code that is required to handle incoming and outgoing JMS messages, as well as the necessary binding properties for the export and import.
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