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

file = open (etc_hosts),
{
  fs_resolve (etc_hosts, -_, link_path, FS_FILE),
  {
    add (link_path, "/hosts"),
    {
      sys_env (link_path, -_, names, -_), 
      { 
        names[] = { "%ETC%" } 
      }
    }
  }
};