GLib.path_skip_root
function path_skip_root(file_name: String): String {
    // Gjs wrapper for g_path_skip_root()
}
  Returns a pointer into file_name after the root component, i.e. after the "/" in UNIX or "C:\" under Windows. If file_name is not an absolute path it returns null.
- file_name
- a file name 
- Returns
- a pointer into file_name after the root component