Casting a postdecrement operand

[David DiGiacomo]

In article <1764 at umcp-cs.UUCP> chris at maryland.UUCP (Chris Torek) writes:
>Incidentally, if you really *do* want to take a pointer `p' to
>type `x', but treat it as a pointer to type `y', the construct
>
>	*(y **)&p
>
>works (as long as `p' is addressable).  Thus
>
>	((struct abc *)cbap)++;
>
>is not legal, but
>
>	(*(struct abc **)&cbap)++;
>
>is (again, if cbap is addressable).  What it means is machine
>dependent!

This is disgusting... why not use

	cbap = (struct cba *) ((caddr_t) cbap + sizeof(struct abc));

?

-- 
David DiGiacomo  {decvax, ihnp4, ucbvax}!sun!david  david at sun.arpa
Sun Microsystems, Mt. View, CA  (415) 960-7495