Character types in ANSI C

[meissner at dg_rtp.UUCP]

In article <816 at cullvax.UUCP> drw at cullvax.UUCP (Dale Worley) writes:
> cg at myrias.UUCP (Chris Gray) writes:
> > I.e. which of the following are legal:
> > 
> >     char *p1;
> >     unsigned char *p2;
> >     signed char *p3;
> > 
> >     p1 = p2;	    /* case 1 */
> >     p1 = p3;	    /* case 2 */
> >     p2 = p3;	    /* case 3 */
> 
> Well, the char's are all widened into the 'appropriate' int types.
> (These are called integral promotions, or some such.)  Then the
> appropriate comparisons of int's and/or unsigned int's are performed.

Ughh, the above example is assigning pointers, not the items pointed
to.  Assigning pointers to different types (modulo const/volatile) is
illegal in ANSI.  Widening has nothing to do with it.
-- 
	Michael Meissner, Data General	Uucp: ...mcnc!rti-sel!dg_rtp!meissner

It is 11pm, do you know what your sendmail and uucico are doing?