--- On Sat, 7/17/10, Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx> wrote:
> From: Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx>
> Subject: Re: output difference between VC and gcc
> To: "Peter" <one2001boy@xxxxxxxxx>
> Cc: gcc-help@xxxxxxxxxxx
> Date: Saturday, July 17, 2010, 9:24 AM
> >
> printf("%d:%d\n",i,tab[i++]);
>
> > based on C standard, whose output is correct?
>
> The program exhibits undefined behaviour: it reads "i"
> twice while also
> writing it, without any intervening sequence point.
> See e.g. 6.5/2 in
> the C99 standard.
>
>
Thanks so much for everybody's help.
I am impressed with so many knowledge person around here.
Peter
> Segher
>
>
