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diff --git a/LibOVR/Src/OVR_Linux_UDEV.h b/LibOVR/Src/OVR_Linux_UDEV.h
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+/************************************************************************************
+
+Filename    :   OVR_Linux_UDEV.h
+Content     :   This is the interface for libudev1 or libudev0 in Linux.
+
+Copyright   :   Copyright 2014 Oculus VR, LLC. All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
+you may not use the Oculus VR Rift SDK except in compliance with the License,
+which is provided at the time of installation or download, or which
+otherwise accompanies this software in either electronic or hard copy form.
+
+You may obtain a copy of the License at
+
+http://www.oculusvr.com/licenses/LICENSE-3.2
+
+Unless required by applicable law or agreed to in writing, the Oculus VR SDK
+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 OVR_Linux_UDEV_h
+#define OVR_Linux_UDEV_h
+
+#include <dlfcn.h>
+#include <assert.h>
+
+namespace OVR
+{
+namespace Linux
+{
+
+bool LoadUDEVSymbols();
+
+// Function pointers returned from dlsym (global, NOT in OVR::).
+extern struct udev* (*udev_new)(void);
+extern void (*udev_unref)(struct udev*);
+
+extern struct udev_device* (*udev_device_new_from_syspath)(struct udev*, const char*);
+extern const char* (*udev_device_get_action)(struct udev_device*);
+extern const char* (*udev_device_get_devnode)(struct udev_device*);
+extern struct udev_device* (*udev_device_get_parent_with_subsystem_devtype)(struct udev_device*, const char*, const char*);
+extern const char* (*udev_device_get_sysattr_value)(struct udev_device*, const char*);
+extern void (*udev_device_unref)(struct udev_device*);
+
+extern struct udev_enumerate* (*udev_enumerate_new)(struct udev*);
+extern int (*udev_enumerate_add_match_subsystem)(struct udev_enumerate*, const char*);
+extern struct udev_list_entry* (*udev_enumerate_get_list_entry)(struct udev_enumerate*);
+extern int (*udev_enumerate_scan_devices)(struct udev_enumerate*);
+extern void (*udev_enumerate_unref)(struct udev_enumerate*);
+
+extern const char* (*udev_list_entry_get_name)(struct udev_list_entry*);
+extern struct udev_list_entry* (*udev_list_entry_get_next)(struct udev_list_entry *);
+
+extern struct udev_monitor* (*udev_monitor_new_from_netlink)(struct udev*, const char*);
+extern int (*udev_monitor_enable_receiving)(struct udev_monitor*);
+extern int (*udev_monitor_filter_add_match_subsystem_devtype)(struct udev_monitor*, const char*, const char*);
+extern int (*udev_monitor_get_fd)(struct udev_monitor*);
+extern struct udev_device* (*udev_monitor_receive_device)(struct udev_monitor*);
+extern void (*udev_monitor_unref)(struct udev_monitor*);
+
+#define udev_list_entry_foreach(list_entry, first_entry) \
+        for (list_entry = first_entry; \
+             list_entry != NULL; \
+             list_entry = udev_list_entry_get_next(list_entry))
+
+}} // namespace OVR::Linux
+
+#endif // OVR_Linux_UDEV_h