信息处理 信息交换用CD-ROM的卷和文件结构

[中文适用范围]： 本文件规定了信息处理系统用户之间交换信息的光盘只读存储器（CD-ROM）的卷和文件结构。本文件规定了： — 卷的属性及其上记录的描述符； — 卷集的卷之间的关系； — 文件的位置； — 文件的属性； — 当需要将应用程序的输入或输出数据流组织为记录集时，用于这些数据流的记录结构； — 三层嵌套的介质交换； — 两层嵌套的实现； — 信息处理系统中提供的流程的要求，以便利用录制的 CD-ROM 作为交换介质在不同系统之间交换信息；为此，本文件规定了用于生成或接收符合本文件的 CD-ROM 的系统内提供的功能。 [外文原描述]： This document specifies the volume and file structure of compact disc read-only memory (CD-ROM) for the interchange of information between users of information processing systems. This document specifies: — the attributes of the volume and the descriptors recorded on it; — the relationship among volumes of a volume set; — the placement of the files; — the attributes of the files; — record structures intended for use in the input or output data streams of an application program when such data streams are required to be organized as sets of records; — three nested levels of medium interchange; — two nested levels of implementation; — requirements for the processes which are provided within information processing systems, to enable information to be interchanged between different systems, utilizing recorded CD-ROM as the medium of interchange; for this purpose, this document specifies the functions to be provided within systems which are intended to originate or receive CD-ROM which conform to this document.