- ensure_space( (lispobj *)CONTROL_STACK_START , CONTROL_STACK_SIZE);
- ensure_space( (lispobj *)BINDING_STACK_START , BINDING_STACK_SIZE);
-#ifdef LISP_FEATURE_C_STACK_IS_CONTROL_STACK
- ensure_space( (lispobj *) ALTERNATE_SIGNAL_STACK_START, SIGSTKSZ);
-#endif