The file gen_init_cpio.c is from the Linux kernel source file
usr/gen_init_cpio.c. It was released under the GNU General Public License,
version 2, and is redistributed under those terms.

Other files are subject to the following copyright:

Copyright 2020 Alex Xu.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 3, as
published by the Free Software Foundation.

This program 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 General Public License for more details.

A copy of the GNU General Public License, version 3 can be found in
gpl-3.0.txt. It can also be obtained from <http://www.gnu.org/licenses/>.