gist.h

typedef struct rd_kafka_metadata {
        int         broker_cnt;     /* Number of brokers in 'brokers' */
        struct rd_kafka_metadata_broker *brokers;  /* Brokers */

        int         topic_cnt;      /* Number of topics in 'topics' */
        struct rd_kafka_metadata_topic *topics;    /* Topics */

        int32_t     orig_broker_id; /* Broker originating this metadata */
        char       *orig_broker_name; /* Name of originating broker */
} rd_kafka_metadata_t;


rd_kafka_metadata (rd_kafka_t *rk, int all_topics,
                   rd_kafka_topic_t *only_rkt,
                   const struct rd_kafka_metadata **metadatap,
                   int timeout_ms);