ioctls для консольного терминала и виртуальных консолей (ioctls for console terminal and virtual consoles)
Ошибки (Error)
EBADF The file descriptor is invalid.
EINVAL The file descriptor or argp is invalid.
ENOTTY The file descriptor is not associated with a character
special device, or the specified request does not apply to
it.
EPERM Insufficient permission.
