Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

- u -

• unreachable_since : entry_guard_t
• up_since : or_history_t
• UpdateBridgesFromAuthority : or_options_t
• uptime : routerinfo_t , or_history_t
• use_begindir : edge_connection_t
• UseBridges : or_options_t
• UseEntryGuards : or_options_t
• User : or_options_t