dive_list.duration = divelist_column(&dive_list, DIVE_DURATION, "min", duration_data_func, 1, 0);
dive_list.location = divelist_column(&dive_list, DIVE_LOCATION, "Location", NULL, 0, 1);
dive_list.temperature = divelist_column(&dive_list, DIVE_TEMPERATURE, UTF8_DEGREE "F", temperature_data_func, 1, 0);
dive_list.duration = divelist_column(&dive_list, DIVE_DURATION, "min", duration_data_func, 1, 0);
dive_list.location = divelist_column(&dive_list, DIVE_LOCATION, "Location", NULL, 0, 1);
dive_list.temperature = divelist_column(&dive_list, DIVE_TEMPERATURE, UTF8_DEGREE "F", temperature_data_func, 1, 0);