Flex具有一个非常有用的宏yy_input,它负责为符号解释读入数据。
Flex has the useful macro YY_INPUT, which reads data for token interpretation.
用户会发现在他们自己的宏中,这是非常有用的。
Users may find it useful to make use of this in their own macros.
你和你的同窗张宏参不雅了北京动物园。哪里的动物非常有趣 人见人爱。
You and you classmate Zhang Hoong visit the Beijing zoo, where animals are interesting and attractive to everybody.
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