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diff --git a/src/libsystemd/libsystemd-internal/sd-device/device-enumerator-private.h b/src/libsystemd/libsystemd-internal/sd-device/device-enumerator-private.h
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+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2015 Tom Gundersen <teg@jklm.no>
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <systemd/sd-device.h>
+
+int device_enumerator_scan_devices(sd_device_enumerator *enumeartor);
+int device_enumerator_scan_subsystems(sd_device_enumerator *enumeartor);
+int device_enumerator_add_device(sd_device_enumerator *enumerator, sd_device *device);
+int device_enumerator_add_match_is_initialized(sd_device_enumerator *enumerator);
+sd_device *device_enumerator_get_first(sd_device_enumerator *enumerator);
+sd_device *device_enumerator_get_next(sd_device_enumerator *enumerator);
+
+#define FOREACH_DEVICE_AND_SUBSYSTEM(enumerator, device) \
+ for (device = device_enumerator_get_first(enumerator); \
+ device; \
+ device = device_enumerator_get_next(enumerator))