stackPushUNS
void stackPushUNS (FICL_STACK *pStack, FICL_UNS u);
#define PUSHUNS(u) stackPushUNS(pVM->pStack,u)
stackPushUNS(pVM->pStack, ret);
stackPushUNS(pVM->pStack, ret);
stackPushUNS(pVM->pStack, (FICL_UNS) time(NULL));
stackPushUNS(pVM->pStack, nLists);
stackPushUNS(pVM->pStack, 0);
stackPushUNS(pVM->pStack, (FICL_UNS)now);
stackPushUNS(pVM->pStack, CLOCKS_PER_SEC);
stackPushUNS(pVM->pStack, SI_COUNT(si));