Not easy indeed. None of the following work: 
#define d a

#include <stdio.h>

void a() { printf("a\n"); }
void b() { printf("b\n"); }

int main() {
   a();
#define a b
   a();

   (*&a)();

   /* \a(); */

#define c a
   c();

   d();

   return 0;
}

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In reply to Re^2: XS malloc and free (whose) by ikegami
in thread XS malloc and free by Brutha

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