Here is a list of all struct and union fields with links to the structures/unions they belong to:

- u -

• udp_content : udp_content_data , udp_nocase_data , udp_regexp_data
• UDPCount : port_pair , listen_data_record_stats
• UDPPerSec : global_vars
• un : icmp_header
• Upper : num_list_item
• Urg : tcp_flags_data
• urg : tcp_header
• urg_ptr : tcp_header
• User : interface_rec , timer_rec
• UseThreads : global_vars

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