Start refactoring RS headerfiles for docs.

Change-Id: Ieb7797601f94beec2835e1d936dc2dd0c38cb48c
diff --git a/scriptc/rs_cl.rsh b/scriptc/rs_cl.rsh
index d78e62e..e402b86 100644
--- a/scriptc/rs_cl.rsh
+++ b/scriptc/rs_cl.rsh
@@ -1,8 +1,28 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/** @file rs_cl.rsh
+ *  \brief Additional compute routines
+ *
+ *
+ */
+
 #ifndef __RS_CL_RSH__
 #define __RS_CL_RSH__
 
-#define _RS_RUNTIME  extern
-
 // Conversions
 #define CVT_FUNC_2(typeout, typein)                             \
 _RS_RUNTIME typeout##2 __attribute__((overloadable))             \
@@ -444,6 +464,5 @@
 #undef IN_FUNC_IN
 #undef XN_FUNC_XN_XN_BODY
 #undef IN_FUNC_IN_IN_BODY
-#undef _RS_RUNTIME
 
 #endif