• LIST_ENTRY() : s_socket, s_route_entry, s_of, s_entry, s_in_pcb, s_iface, s_ifaddr, s_conf_entry, s_vfs_proc, s_vfs_file, s_file, s_prop, s_prop_attachee, s_observer, s_observee, s_rec
• LIST_HEAD() : s_entry
• SIMPLEQ_ENTRY() : s_sq_req
• TAILQ_ENTRY() : s_timer_action, s_pkbuf, s_holder_group, s_holder, s_async_action, s_async_report
• TAILQ_HEAD() : s_holder_group

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