These functions are free software: you can redistribute them and/or modify them under the terms of the GNU Lesser General Public License (LGPL) as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
These functions are 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 General Public License and GNU Lesser General Public License for more details.
You should have received copies of the GNU General Public License (gpl-3.0.txt) and GNU Lesser
General Public License (lgpl-3.0.txt) along with these functions. If not, see
http://www.gnu.org/licenses/.