Constant gnunet_sys::GNUNET_MQ_PriorityPreferences_GNUNET_MQ_PRIO_CRITICAL_CONTROL

pub const GNUNET_MQ_PriorityPreferences_GNUNET_MQ_PRIO_CRITICAL_CONTROL: GNUNET_MQ_PriorityPreferences = 3;

Highest priority, control traffic (i.e. CORE/CADET KX).