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ref: 090e8cc1ed6281f8a2ecbbf273395e9c235e7170 parent: b21411ad7cbd7ca6dc03c0e99a34c71f038ca964 author: huili2 <huili2@cisco.com> date: Mon Mar 17 21:54:25 EDT 2014
modify WELS_CLIP1 to be inline functions