RE: Macro exercise

["Marius Cosma" <marius.cosma@computaris.com>]

Solved ... x.PARAM works just fine 

-----Original Message-----
From: linux-c-programming-owner@vger.kernel.org
[mailto:linux-c-programming-owner@vger.kernel.org] On Behalf Of Marius Cosma
Sent: 18 August 2006 12:12
To: linux-c-programming@vger.kernel.org
Subject: RE: Macro exercise

Hello,

I want to use a macro for a structure member, something like:


typedef struct {
  int a;
  int b;
  int c;
} myStruct;

myStruct x;

x.a = 7;
x.b = 8;
x.c = 9;

#undef PARAM
#define PARAM a
printf("x=%d\n", x.##PARAM);

#undef PARAM
#define PARAM b
printf("x=%d\n", x.##PARAM);

#undef PARAM
#define PARAM c
printf("x=%d\n", x.##PARAM);


But I'm having problems in writing it correct (that "x.##PARAM"). Are you
faster than a google search? :)

Thanks



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