const bson_value_t *

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025                      MONGOC_GRIDFS_FILE_GET_ID(3)

       Fetches the id of a gridfs file.

       The  C  Driver  always  uses an ObjectId for _id, but files created by other drivers may have any type of
       _id.

       • file: A mongoc_gridfs_file_t.

       Returns a bson_value_t that should not be modified or freed.

          const bson_value_t *
          mongoc_gridfs_file_get_id (mongoc_gridfs_file_t *file);