38 	struct mibifstack *stack;  in mib_ifstack_create()  local
40 	if ((stack = malloc(sizeof(*stack))) == NULL)  in mib_ifstack_create()
43 	stack->index.len = 2;  in mib_ifstack_create()
44 	stack->index.subs[0] = upper ? upper->index : 0;  in mib_ifstack_create()
45 	stack->index.subs[1] = lower ? lower->index : 0;  in mib_ifstack_create()
47 	INSERT_OBJECT_OID(stack, &mibifstack_list);  in mib_ifstack_create()
57 	struct mibifstack *stack;  in mib_ifstack_delete()  local
59 	TAILQ_FOREACH(stack, &mibifstack_list, link)  in mib_ifstack_delete()
60 		if (stack->index.subs[0] == (upper ? upper->index : 0) &&  in mib_ifstack_delete()
61 		    stack->index.subs[1] == (lower ? lower->index : 0)) {  in mib_ifstack_delete()
62 			TAILQ_REMOVE(&mibifstack_list, stack, link);  in mib_ifstack_delete()
63 			free(stack);  in mib_ifstack_delete()
73 	struct mibifstack *stack;  in op_ifstack()  local
78 		if ((stack = NEXT_OBJECT_OID(&mibifstack_list, &value->var, sub)) == NULL)  in op_ifstack()
80 		index_append(&value->var, sub, &stack->index);  in op_ifstack()
84 		if ((stack = FIND_OBJECT_OID(&mibifstack_list, &value->var, sub)) == NULL)  in op_ifstack()
89 		if ((stack = FIND_OBJECT_OID(&mibifstack_list, &value->var, sub)) == NULL)  in op_ifstack()