int udev_monitor_allow_unicast_sender(struct udev_monitor *udev_monitor, struct udev_monitor *sender);
int udev_monitor_send_device(struct udev_monitor *udev_monitor,
struct udev_monitor *destination, struct udev_device *udev_device);
-int udev_monitor_set_receive_buffer_size(struct udev_monitor *udev_monitor, int size);
/* libudev-ctrl.c - daemon runtime setup */
struct udev_ctrl;