size_t occ = count_all(buf, start, stop, value);
return occ == stop-start;
}
// Return true iff "enough" elements are equal to (i+value)%256 between buf[start] and buf[stop-1].
size_t occ = count_all(buf, start, stop, value);
return occ == stop-start;
}
// Return true iff "enough" elements are equal to (i+value)%256 between buf[start] and buf[stop-1].