fake_crc32(unsigned long crc, const void *buff, size_t len)
{
	(void)crc; /* UNUSED */
	(void)buff; /* UNUSED */
	(void)len; /* UNUSED */
	return 0;
}
fake_crc32(unsigned long crc, const void *buff, size_t len)
{
	(void)crc;  
	(void)buff;  
	(void)len;  
	return 0;
}