--- File.stat(filename)
--- File.lstat(filename)

    filename ξޤ File::Stat ֥Ȥ
    ֤ޤμ˼Ԥ㳰 Errno::EXXX ȯ
    ޤ

    lstat ϡܥå󥯤˴ؤƥ󥯤ΤΤ
    ֤ޤ
    lstat(2) [manual page] ƤʤƥǤϡ
    File.stat ƱǤ

    IO#stat [IO/stat],
    File#lstat [File/lstat] ⻲ȤƤ

