
  -spec change_time(Filename, Atime, Mtime) -> ok | {error, Reason}
                       when
                           Filename :: name_all(),
                           Atime :: date_time(),
                           Mtime :: date_time(),
                           Reason :: posix() | badarg.

  Changes the modification and last access times of a file. See 
  write_file_info/2.
