/* ====================================================================
   Compile with:   

	gcc -DDEBUG  -E  ifdef2.c   (include debug statements)
    or
	gcc          -E  ifdef2.c 
   ==================================================================== */

int main( )
{
   int x, y;

   x = 3;
   y = 4;

   #ifdef DEBUG
   printf("x = %d\n", x);  // Print variable x for debugging    
   printf("y = %d\n", y);  // Print variable x for debugging
   #endif

}