[sdiy] Pointers in C

[Colin f]

> I'd just dereference the 32bit pointer, and get the 
> individual bytes by bit masking and shifting instead.
> i.e.
> 
> unsigned long allbytes = *my_unsigned_long_ptr; unsigned char 
> LSByte = allbytes && 0x0ff; unsigned char secondbyte = 
> (allbytes && 0x0ff00)>>8; unsigned char thirdbyte = (allbytes 
> && 0x0ff0000L)>>16; unsigned char MSByte = (allbytes && 
> 0x0ff000000L)>>24;
> 
> In my opinion this gives much less confusion with endianess...

It gives rather more confusion between & and && though ;-)
You want bitwise rather than logical.

Cheers,
Colin f