Determing alignment of (char *) pointer

[David desJardins]

In article <1510 at mit-trillian.MIT.EDU> newman at athena.mit.edu (Ron Newman) writes:
>   char *p;
>
>   if ((long)p & 3) ...
>
>   if ((long)(p - (char *) 0) & 3) ...

   Why not use

	if (p != (char *) (long *) p) ... ?

   This should give you the relevant information (can a long be stored at
the location pointed to by p?) without any machine dependencies.  I suppose
on some (broken) compilers it might not work...

   -- David desJardins