if ((*key)[i] != odd_parity[(*key)[i]])
if (key[i] != odd_parity[key[i]])
static int check_parity(key)des_cblock (*key);	{	int i;	for (i=0; i<DES_KEY_SZ; i++)		{		if ((*key)[i] != odd_parity[(*key)[i]])			return(0);		}	return(1);	}