C

C support is available natively in Zed.

• Tree Sitter: tree-sitter/tree-sitter-c
• Language Server: clangd/clangd

Clangd: Force detect as C

Clangd out of the box assumes mixed C++/C projects. If you have a C-only project you may wish to instruct clangd to all files as C using the -xc flag. To do this, create a .clangd file in the root of your project with the following:

CompileFlags:
  Add: [-xc]