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

- a -

• a_addrany : afd
• a_addrlen : afd
• a_af : afd
• a_loopback : afd
• a_off : afd
• a_socklen : afd
• abort_on_exception : rb_thread_struct
• acquired : rb_global_vm_lock_struct
• actime : utimbuf
• action_check : cparse_params
• action_default : cparse_params
• action_pointer : cparse_params
• action_table : cparse_params
• addr : hostent_arg , rb_addrinfo_t
• ai_addr : addrinfo
• ai_addrlen : addrinfo
• ai_canonname : addrinfo
• ai_family : addrinfo
• ai_flags : addrinfo
• ai_next : addrinfo
• ai_protocol : addrinfo
• ai_socktype : addrinfo
• alen : recvfrom_arg
• alias_count : rb_method_definition_struct
• aliases : cbsubst_info
• alloc : re_pattern_buffer , _BBuf , UnsetAddrList
• allocate_increase : gc_profile_record
• allocate_limit : gc_profile_record
• allocated : OnigCaptureTreeNodeStruct , re_registers
• allow_nan : JSON_Generator_StateStruct , JSON_ParserStruct
• allow_ruby_exit : tcltkip
• alt_root : IApplyCaseFoldArg
• anc : OptExactInfo , OptMapInfo , NodeOptInfo
• anchor : iseq_link_anchor , _syck_node , re_pattern_buffer , OnigToken , _Node
• anchor_dmax : re_pattern_buffer
• anchor_dmin : re_pattern_buffer
• anchor_format : _syck_emitter
• anchored : _syck_emitter
• anchors : _syck_parser , _syck_emitter
• anctag : _syck_level
• anychar : OnigMetaCharTableType
• anychar_anytime : OnigMetaCharTableType
• anytime : OnigMetaCharTableType
• api_version : rb_digest_metadata_t
• apply_all_case_fold : OnigEncodingTypeST
• arg : rb_unblock_callback , foreach_safe_arg , hash_foreach_arg , dump_call_arg , INamesArg , exec_recursive_params , obj_ivar_tag
• arg_block : rb_iseq_struct
• arg_opt_table : rb_iseq_struct
• arg_opts : rb_iseq_struct
• arg_post_len : rb_iseq_struct
• arg_post_start : rb_iseq_struct
• arg_rest : rb_iseq_struct
• arg_simple : rb_iseq_struct
• arg_size : rb_iseq_struct
• argc : iconv_env_t , rb_context_struct , fiddle_closure , child_info , ripper_args , invoke_queue , invoke_info , new_wrap_arg_t , rb_exec_arg , foreach_arg , argf_call_arg , rb_method_cfunc_struct , rb_iseq_struct , iter_method_arg , asynchronous_arg_t , call_queue , rescue_funcall_args
• argf : argf_call_arg
• args : local_vars , cmd_body_arg , enumerator
• argv : invoke_info , iconv_env_t , argf_call_arg , rb_exec_arg , new_wrap_arg_t , call_queue , child_info , ripper_args , invoke_queue , fiddle_closure , foreach_arg , rescue_funcall_args , asynchronous_arg_t , iter_method_arg , argf
• array : RVALUE
• array_class : JSON_ParserStruct
• array_delim : JSON_Generator_StateStruct
• array_nl : JSON_Generator_StateStruct
• array_nl_len : JSON_Generator_StateStruct
• ary : ary_sort_data , thgroup_list_params , RArray , RString , rb_transcoding::rb_transcoding_state_t , RObject , sort_by_data , rb_transcoding , RStruct , RBignum
• as : RStruct , RVALUE , select_args , RVALUE , RObject , RBignum , RArray , RString
• ascii_compat_name : asciicompat_encoding_t
• ascii_incompat_name : asciicompat_encoding_t
• ascii_only : JSON_Generator_StateStruct
• asciicompat_type : rb_transcoder
• at_exit : rb_vm_struct
• atime : utime_args
• attr : rb_method_definition_struct
• aux : RArray , RString