std::istream& in
uint8 *& in
inline uint32 Read4high	(	std::istream& in	)	{	uint8 b0, b1, b2, b3;	in.get((char&) b0);	in.get((char&) b1);	in.get((char&) b2);	in.get((char&) b3);	return ((b0<<24) | (b1<<16) | (b2<<8) | b3);	}