#include <stdlib.h>
#include <stdio.h>                  /* for printf */
void tst_calloc (void) {
   int xdata *p;          /* ptr to array of 100 ints */
   p = calloc (100, sizeof (int));
   if (p == NULL)
      printf ("Error allocating array\n");
   else
      printf ("Array address is %p\n", (void *) p);
}