const bson_value_t * mongoc_gridfs_file_get_id (mongoc_gridfs_file_t *file);
- file: A mongoc_gridfs_file_t.
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.
Returns a bson_value_t that should not be modified or freed.
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Jan 06, 2022 1.20.1 libmongoc