<a rel="noreferrer nofollow noopener" href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/reboot.h#n10" target="_blank">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/reboot.h#n10</a>