mongoc_gridfs_file_set_content_type - Man Page

void
mongoc_gridfs_file_set_content_type (mongoc_gridfs_file_t *file,
                                     const char *content_type);

• file: A mongoc_gridfs_file_t.
• str: A string containing the content type.

Sets the content type for the gridfs file. This should be something like "text/plain".

You need to call mongoc_gridfs_file_save() to persist this change.

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