1libusb is covered by the LGPL:
2
3This library is free software; you can redistribute it and/or
4modify it under the terms of the GNU Lesser General Public
5License as published by the Free Software Foundation; either
6version 2 of the License, or (at your option) any later version.
7
8This library is distributed in the hope that it will be useful,
9but WITHOUT ANY WARRANTY; without even the implied warranty of
10MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11Lesser General Public License for more details.
12
13You should have received a copy of the GNU Lesser General Public
14License along with this library; if not, write to the
15Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16Boston, MA 02111-1307, USA.
17
18----
19
20Alternatively, the files usb.h.in and/or usb.h may be licensed under the
21BSD license:
22
23Copyright (c) 2000-2003 Johannes Erdfelt <johannes@erdfelt.com>
24All rights reserved.
25
26Redistribution and use in source and binary forms, with or without
27modification, are permitted provided that the following conditions
28are met:
291. Redistributions of source code must retain the above copyright
30   notice, this list of conditions and the following disclaimer.
312. Redistributions in binary form must reproduce the above copyright
32   notice, this list of conditions and the following disclaimer in the
33   documentation and/or other materials provided with the distribution.
343. The name of the author may not be used to endorse or promote products
35   derived from this software without specific prior written permission.
36
37THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
38IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
40IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
41INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
43DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
44THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
45(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
46THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
47
48