Function netcorehost::nethost::get_hostfxr_path_with_dotnet_root

pub fn get_hostfxr_path_with_dotnet_root<P: AsRef<PdCStr>>(
    dotnet_root: P
) -> Result<OsString, HostingError>

Gets the path to the hostfxr library. Hostfxr is located as if an application is started using dotnet app.dll, which means it will be searched for under the dotnet_root path.