[PATCH RESEND] size reduction and coding style for who.c

[Wolfgang Denk]

In message <200603121133.55131.yann.morin.1998 at anciens.enib.fr> you wrote:
> 
> Because the statement in the if might be a macro, and thus you wouldn't get
> the expected behavior. Consider the following code extract:

Only if your expectations are wrong...

> #define foo(x) if(x) {   \
>                    blah; \
>                } else {  \
>                    bar;  \
>                }
> 
> if (cond)
>     foo(i);
> 
> To which 'if' does the 'else' refer to, when the macro has been expanded by the
> preprocessor?

This is unequivocally defined by the C standard.

Best regards,

Wolfgang Denk

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