struct arg {
	unsigned char	*base;
	unsigned long	len;
};

unsigned int
bz64(void *args)
{
	struct arg *a = (struct arg *)args;
	unsigned long l = a->len;
	unsigned char *b = a->base;

	while (l-- > 0)
		*b++ = 0;

	return 0x12344321;
}