/* Load the last 0-7 bytes of `in` and put in len & 255 */
static void siphash_epilogue(u64 *m, const unsigned char *in, size_t len)
{
/* Load the last 0-7 bytes of `in` and put in len & 255 */
static void siphash_epilogue(u64 *m, const unsigned char *in, size_t len)
{