检索指定为临时文件夹的目录路径.
(dos_tempdir)
n/a
如果成功, 返回临时文件夹路径.
nil 失败时.
Command: (dos_tempdir)
"C:\\DOCUME~1\\dale\\LOCALS~1\\Temp\\"
Command: (dos_longpath (dos_tempdir))
"C:\\Documents and Settings\\dale\\Local Settings\\Temp\\"