const Size_t fa = strxfrm(xbuf, "a", XFRMBUFSIZE);
const Size_t fb = strxfrm(xbuf, "ab", XFRMBUFSIZE);
const SSize_t mult = fb - fa;
const Size_t fa = strxfrm(xbuf, "a", XFRMBUFSIZE);
const Size_t fb = strxfrm(xbuf, "ab", XFRMBUFSIZE);
const SSize_t mult = fb - fa;