Byte Stream File Refnum 字节流文件引用句柄
The named file system attribute classification is a byte stream that is associated with a directory or file and is referred to by a string name.
命名文件系统属性分类是一个关联到目录或者文件的字节流，通过一个字符串名引用。
You can work with the file as a byte array or stream.
可以将文件当作字节数组或流来使用。
Get byte stream from an audio file?
从一个音频文件到字节流？
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