source: CIVL/mods/dev.civl.com/examples/library/stdlib/calloc3.cvl@ e49edeb

/* Commandline execution:
 *              civl verify malloc.cvl
 * */
#include <civlc.cvh>
#include <string.h>
#include <stdlib.h>

void main() {
  int *p;
  int *q;
  
  *p = 1;
  p = (p != NULL) ? p : calloc(1, sizeof(int));
  q = (p != NULL) ? p : (int*)calloc(1, sizeof(int));
  
  $assert(*p==1 && *q==1);
  $free(p);
  $free(q);
}