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From: jgmicon@sandia.UUCP (Jeff G. Micono )
Newsgroups: comp.lang.c
Subject: Re: Using Macros
Summary: This solution does work with an if/else combination
Message-ID: <288@sandia.UUCP>
Date: 7 Aug 90 20:48:47 GMT
References: <14339@shlump.nac.dec.com> <10836@crdgw1.crd.ge.com>
Organization: Sandia Natl Labs, Div. 9224
Lines: 25

In article <10836@crdgw1.crd.ge.com>, volpe@underdog.crd.ge.com (Christopher R Volpe) writes:
> Anyway, if the compiler is coughing on it, try the following:
> 
>          #define A_MACRO {stmt1;stmt2;} 0  /* yes, trailing zero */
> 
> Expanding "A_MACRO;" yields the dummy statement "0;" which is ...ds

your solution fails with the following:

if (expr)
  A_MACRO;
else
  printf ("This will not work!\n");


What about

	# define A_MACRO	stmt1,stmt2
	/* no flames, yes I know it's gross, but it works! */


Jeff Micono of Ktech
Ktech Corporation, Albuquerque, NM  87801

"We provide ES&H solutions"