if (c == 'D') parse_opts(&get_defects, &set_defects, &defects, 0, INT_MAX);
if (c == 'P') parse_opts(&get_prefetch, &set_prefetch, &prefetch, 0, INT_MAX);
parse_xfermode((c == 'X'), &get_xfermode, &set_xfermode, &xfermode_requested);
if (c == 'D') parse_opts(&get_defects, &set_defects, &defects, 0, INT_MAX);
if (c == 'P') parse_opts(&get_prefetch, &set_prefetch, &prefetch, 0, INT_MAX);
parse_xfermode((c == 'X'), &get_xfermode, &set_xfermode, &xfermode_requested);