#define make8(var,offset)	(var >> (offset * 8)) & 0xFF
#define	make16(varhigh,varlow)	((varhigh & 0xFF)* 0x100) + (varlow & 0xFF)
#define make32(var1,var2,var3,var4) \
		((unsigned long)var1<<24)+((unsigned long)var2<<16)+ \
		((unsigned long)var3<<8)+((unsigned long)var4)