The Wikibooks community is developing a policy on the use of generative AI. Please review the draft policy and provide feedback on its talk page.
\closein <file id>
关闭一个附加的输入文件，由其从 0 到 15 的编号描述。另请参见 \openin、\read 和 \newread。
The Wikibooks community is developing a policy on the use of generative AI. Please review the draft policy and provide feedback on its talk page.