safe_realloc ((void **) signatures, (*n + 6) * sizeof (BODY **));
safe_realloc (signatures, (*n + 6) * sizeof (BODY **));
static void crypt_fetch_signatures (BODY ***signatures, BODY *a, int *n){  if (!WithCrypto)    return;  for (; a; a = a->next)  {    if (a->type == TYPEMULTIPART)      crypt_fetch_signatures (signatures, a->parts, n);    else    {      if((*n % 5) == 0)	safe_realloc ((void **) signatures, (*n + 6) * sizeof (BODY **));      (*signatures)[(*n)++] = a;    }  }}