HASH_BLOCK_DATA_ORDER
#ifndef HASH_BLOCK_DATA_ORDER
HASH_BLOCK_DATA_ORDER (c, p, 1);
HASH_BLOCK_DATA_ORDER (c, data, n);
HASH_BLOCK_DATA_ORDER (c, data, 1);
HASH_BLOCK_DATA_ORDER (c, p, 1);
HASH_BLOCK_DATA_ORDER (c, p, 1);