Function duckdb_register_config_option 

pub unsafe extern "C" fn duckdb_register_config_option(
    connection: duckdb_connection,
    option: duckdb_config_option,
) -> duckdb_state

Registers the given configuration option on the specified connection.

@param connection The connection to register the option on. @param option The configuration option instance to register. @return A duckdb_state indicating success or failure.