assert(group);
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);
assert(group);
if (!group->path || !avahi_client_is_connected(group->client))
return avahi_client_set_errno(group->client, AVAHI_ERR_BAD_STATE);