安装

sudo apt install zeal

启动

zeal

添加API文档：Docsets >> Available

 查看：输入关键词搜索，或者直接点击API文档目录查看

参考：

官网：Zeal - Offline documentation Browserhttps://zealdocs.org/ 其他：

c语言api文档_如何快速访问您喜欢的语言的API文档_cumifi2519的博客-CSDN博客c语言api文档It’s no surprise that you may need to work with different programming languages, or at least use many methods. You may not be sure how to call a method, how many parameters it has, or what typ...https://blog.csdn.net/cumifi2519/article/details/108154249Zeal——好用的离线 API 文档大全！ - SoulDee - 博客园https://www.cnblogs.com/souldee/p/9523497.html