How to set indentation while using coc-format-select?

[CQUPTLei]

I am writting C program with nvim installed coc.

When i use coc-format-selected to format my code, indentation becom 2 spaces, however i need 4 spaces.

How to set this? I failed to set it.

[fannheyward]

clangd embeds clang-format to format codes, you can set the indent with .clang-format. https://clangd.llvm.org/features#formatting