检索库的文档字元串、完整的帮助文件名和路径以及帮助文件中的库帮助主题的上下文标识符。

Retrieves the librarys documentation string, the complete help file name and path, and the context identifier for the library help topic in the help file.

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只要命令列上的字元数目不超过 1024 个 （作业系统规定的限制），您可以指定任何数目的选项、档名及程式库名称。

You can specify any number of options, filenames, and library names, as long as the number of characters on the command line does not exceed 1024, the limit dictated by the operating system.

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