Function node_iter

common/gossmap.c:1546–1553

}

static struct gossmap_node *node_iter(const struct gossmap *map, size_t start)
{
	for (size_t i = start; i < map->num_node_arr; i++) {
		if (map->node_arr[i].chan_idxs != NULL)
			return &map->node_arr[i];
	}
	return NULL;
}

struct gossmap_node *gossmap_first_node(const struct gossmap *map)
{