tvbuilder-draft

int gg_send_something(struct gg_session *gs, struct gg_event *ge)
{
    struct gg_tvbuilder *tvb;

    tvb = gg_tvbuilder_new(gs, ge);

    gg_tvbuilder_write_uint8(tvb, 0x12);
    gg_tvbuilder_write_str(tvb, message);
    gg_tvbuilder_write_buff(tvb, data, data_len);
    gg_tvbuilder_write_packed_int(tvb, 1234);

    if (error_condition) {
        gg_tvbuilder_free(tvb);
        return -1;
    }

    return gg_tvbuilder_send(tvb, GG_SEND_MSG123);
}