Not specified or not known to an operating system. For example, anundefined recordis a record of unspecified or unknown length.
Not specified or not known to an operating system. For example, anundefined recordis a record of unspecified or unknown length.
指对某一操作系统而言是未确定的或不知道的。例如，某条“未定义记录”就是一种未确定或不知道长度的记录。