In such cases, it is often termed a "soft" EOF, as it does not necessarily represent the physical end of the file, but is more a marker indicating that "there is no useful data beyond this point".
在这种情况下，它通常被称之为“软”EOF，因为它不一定表示文件的物理性结束，更多是“之后没有有用数据”的一种标记。