#include <stdio.h>
#include <stdlib.h>

int main()
{
   double *t = malloc(2 * sizeof(*t));

   if (t != NULL)
   {
      t[0] = 3.1415296;
      t[1] = 2 * t[0];
      printf("    PI = %f\n", t[0]);
      printf("2 * PI = %f\n", t[1]);

      free(t);   /* Speicher wieder freigeben */
   }
   else
      printf("Kein Speicher verfuegbar!\n");

   return 0;
}