sum_size          772 modules/gui_fselect.c         unsigned long sum_size = 0;
sum_size          821 modules/gui_fselect.c                   sum_size += n;
sum_size          902 modules/gui_fselect.c         if (sum_size)
sum_size          904 modules/gui_fselect.c             sprintf(dbuf, "%d b", sum_size); //selected size