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

• backward : tmpstats , db
• bentropy : cache_type
• cached : let_stat
• common : thread_arg
• condition : thread_common_arg
• data : res_stat , let_stat
• fentropy : cache_type
• forward : db , tmpstats
• input : thread_common_arg
• letter : tmpstats
• num : res_stat
• occur : let_stat
• pindex : cache_type
• pos : tmpstats
• prefs : thread_common_arg
• sindex : cache_type
• squares : cache_type
• stats : thread_common_arg
• statsstr : thread_common_arg
• suffix : thread_common_arg