Linux Documentation/filesystems/sysfs.txt Chinses translation and sample code
Patrick Mochel <mochel@osdl.org>
Mike Murphy <mamurph@cs.clemson.edu>
Revised: 16 August 2011
Original: 10 January 2003
Translator: Bill Wang(Liang) (bill.liangwlw@gmail.com,https://github.com/billwangwl)

2, Sample code of sysfs.txt