var tv Timeval
	err := ioctlPtr(fd, BIOCGRTIMEOUT, unsafe.Pointer(&tv))
	if err != nil {
		return nil, err
	}
	return &tv, nil
}

// Deprecated: Use golang.org/x/net/bpf instead.
func SetBpfTimeout(fd int, tv *Timeval) error {
	err := ioctlPtr(fd, BIOCSRTIMEOUT, unsafe.Pointer(tv))
	if err != nil {
		return err
	}
	return nil
}

// Deprecated: Use golang.org/x/net/bpf instead.

		{"SetBpfBuflen", Func, 0},
		{"SetBpfDatalink", Func, 0},
		{"SetBpfHeadercmpl", Func, 0},
		{"SetBpfImmediate", Func, 0},
		{"SetBpfInterface", Func, 0},
		{"SetBpfPromisc", Func, 0},
		{"SetBpfTimeout", Func, 0},
		{"SetCurrentDirectory", Func, 0},
		{"SetEndOfFile", Func, 0},
		{"SetEnvironmentVariable", Func, 0},
		{"SetFileAttributes", Func, 0},
		{"SetFileCompletionNotificationModes", Func, 2},