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diff --git a/include/apr_dso.h b/include/apr_dso.h
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+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+#ifndef APR_DSO_DOT_H
+#define APR_DSO_DOT_H
+
+/**
+ * @file apr_dso.h
+ * @brief APR Dynamic Object Handling Routines
+ */
+
+#include "apr.h"
+#include "apr_pools.h"
+#include "apr_errno.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup apr_dso Dynamic Object Handling
+ * @ingroup APR 
+ * @{
+ */
+
+#if APR_HAS_DSO || defined(DOXYGEN)
+
+/**
+ * Structure for referencing dynamic objects
+ */
+typedef struct apr_dso_handle_t       apr_dso_handle_t;
+
+/**
+ * Structure for referencing symbols from dynamic objects
+ */
+typedef void *                        apr_dso_handle_sym_t;
+
+/**
+ * Load a DSO library.
+ * @param res_handle Location to store new handle for the DSO.
+ * @param path Path to the DSO library
+ * @param ctx Pool to use.
+ * @bug We aught to provide an alternative to RTLD_GLOBAL, which
+ * is the only supported method of loading DSOs today.
+ */
+APR_DECLARE(apr_status_t) apr_dso_load(apr_dso_handle_t **res_handle, 
+                                       const char *path, apr_pool_t *ctx);
+
+/**
+ * Close a DSO library.
+ * @param handle handle to close.
+ */
+APR_DECLARE(apr_status_t) apr_dso_unload(apr_dso_handle_t *handle);
+
+/**
+ * Load a symbol from a DSO handle.
+ * @param ressym Location to store the loaded symbol
+ * @param handle handle to load the symbol from.
+ * @param symname Name of the symbol to load.
+ */
+APR_DECLARE(apr_status_t) apr_dso_sym(apr_dso_handle_sym_t *ressym, 
+                                      apr_dso_handle_t *handle,
+                                      const char *symname);
+
+/**
+ * Report more information when a DSO function fails.
+ * @param dso The dso handle that has been opened
+ * @param buf Location to store the dso error
+ * @param bufsize The size of the provided buffer
+ */
+APR_DECLARE(const char *) apr_dso_error(apr_dso_handle_t *dso, char *buf, apr_size_t bufsize);
+
+#endif /* APR_HAS_DSO */
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif