int AString<B>::ReverseFind(int len, const tchar *s, int from) const
{
	ASSERT(from >= 0 && from <= GetLength());
	if(from < GetLength()) {
		const tchar *ptr = B::Begin();
		const tchar *p = ptr + from - len + 1;
		len *= sizeof(tchar); <<<<<<<<<<<<<<<<<<<<<<<<<<
		while(p >= ptr) {
			if(*s == *p && memcmp(s, p, len) == 0)
				return (int)(p - ptr);
			p--;
		}
	}
	return -1;
}