464 	struct pf_opt_rule *por1, *por2, *por_next, *por2_next;  in remove_identical_rules()  local
467 	for (por1 = TAILQ_FIRST(&block->sb_rules); por1; por1 = por_next) {  in remove_identical_rules()
468 		por_next = TAILQ_NEXT(por1, por_entry);  in remove_identical_rules()
469 		for (por2 = por_next; por2; por2 = por2_next) {  in remove_identical_rules()
482 				if (por_next == por2)  in remove_identical_rules()
483 					por_next = TAILQ_NEXT(por1, por_entry);  in remove_identical_rules()
506 	struct pf_opt_rule *p1, *p2, *por_next;  in combine_rules()  local
516 		for (p2 = TAILQ_NEXT(p1, por_entry); p2; p2 = por_next) {  in combine_rules()
517 			por_next = TAILQ_NEXT(p2, por_entry);  in combine_rules()
581 	for (p1 = TAILQ_FIRST(&block->sb_rules); p1; p1 = por_next) {  in combine_rules()
582 		por_next = TAILQ_NEXT(p1, por_entry);  in combine_rules()