val success : int Mmdb_types__.G.constval file_open_error : int Mmdb_types__.G.constval corrupt_search_tree_error : int Mmdb_types__.G.constval invalid_metadata_error : int Mmdb_types__.G.constval io_error : int Mmdb_types__.G.constval out_of_memory_error : int Mmdb_types__.G.constval unknown_database_format_error : int Mmdb_types__.G.constval invalid_data_error : int Mmdb_types__.G.constval invalid_lookup_path_error : int Mmdb_types__.G.constval lookup_path_does_not_match_data_error : int Mmdb_types__.G.constval invalid_node_number_error : int Mmdb_types__.G.constval ipv6_lookup_in_ipv4_database_error : int Mmdb_types__.G.const