void
find_cb(uvmongo_t * m, bson * res) {
  bson_print(res);
}

int
main(int argc, char ** argv) {
  uvmongo_t * m = uvmongo_connect("localhost", 27017);
  uvmongo_db_t * mydb = uvmongo_db(m, "mydb");
  uvmongo_collection_t * accounts = uvmongo_collection(mydb, "blogs");
  
  bson selector[1];
  bson_init(selector);
  bson_append_string(selector, "user", "yorkie");
  bson_finish(selector);
  uvmongo_find_one(accounts, selector, NULL, find_cb);
  uv_run(uv_default_loop(), UV_RUN_DEFAULT);
  return 0;
}