+TR_IDP_REALM *tr_idp_realm_remove_func(TR_IDP_REALM *head, TR_IDP_REALM *remove);
+#define tr_idp_realm_remove(head,remove) ((head)=tr_idp_realm_remove_func((head),(remove)))
+TR_IDP_REALM *tr_idp_realm_sweep_func(TR_IDP_REALM *head);
+#define tr_idp_realm_sweep(head) ((head)=tr_idp_realm_sweep_func((head)))
+int tr_idp_realm_aaa_server_count(TR_IDP_REALM *idp);
+int tr_idp_realm_apc_count(TR_IDP_REALM *idp);