Function nc::reboot

pub fn reboot(
    magic: i32, 
    magci2: i32, 
    cmd: u32, 
    arg: usize
) -> Result<(), Errno>

Reboot or enable/disable Ctrl-Alt-Del.

let ret = nc::reboot(nc::LINUX_REBOOT_MAGIC1, nc::LINUX_REBOOT_MAGIC2,
    nc::LINUX_REBOOT_CMD_RESTART, 0);
assert!(ret.is_err());
assert_eq!(ret, Err(nc::EPERM));