vim plugin about auto-completion

Question

Hi, when using Vim, you often need to use the code completion function Ctrl+N,
Is there any plug-in that can complete the content in the header file?

#include <iostream>

// 下面在使用的时候会补全 iostream 中的内容

Answer 1

Try YouCompleteMe.

Answer 2

For automatic completion of include files, please use Ctrl+x Ctrl+i, then ctrl+n, ctrl+p to select.

Answer 3

C, you should install ctags