#define bcmp(b1,b2,length) memcmp(b1, b2, length)
#define bcopy(b1,b2,length) memcpy (b2, b1, length)
#define bcpy(b1,b2,length) memcmp (b1, b2, length)
#define bcmp(b1,b2,length) memcmp(b1, b2, length)
#define bcopy(b1,b2,length) memcpy (b2, b1, length)
#define bcpy(b1,b2,length) memcmp (b1, b2, length)