bernard.xiong@gmail.com eedd490bd6 add const attribute to the ops.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1937 bbd45198-f89e-11dd-88c7-29a3b14d5316
2012-02-03 14:03:51 +00:00
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2012-02-03 14:03:51 +00:00