char link_path[STR_PATH], etc[STR_PATH] = ""; 

files_in (etc, (pchar name) {
                              ...
                            }),
{
  fs_resolve (etc, -_, link_path, FS_DIR),
  {
    sys_env (link_path, -_, names, -_), 
    { 
      names[] = { "%ETC%" } 
    }
  }
};