O_ROWMAJOR
total_cols = (menu->opt & O_ROWMAJOR) ?
if (menu->opt & O_ROWMAJOR)
item = menu->items[(menu->opt & O_ROWMAJOR) ? (row * menu->cols) : row];
if ((opts & O_ROWMAJOR) != (menu->opt & O_ROWMAJOR))
O_ROWMAJOR | \