xdg_data_dirs(std::string dirname, std::string filename) -> std::vector< std::string >

xdg_runtime_dir(std::string dirname, std::string filename) -> std::string

xdg_cache_home(std::string dirname, std::string filename) -> std::string

xdg_data_home(std::string dirname, std::string filename) -> std::string

xdg_config_home(std::string dirname, std::string filename) -> std::string

xdg_config_dirs(std::string dirname, std::string filename) -> std::vector< std::string >