## std::sys
| Procedure | Description |
| ----------- | ------------- |
| finalize_stack.4 | Removes elements deep in the stack until the depth of the stack is exactly 16. The elements<br /> are removed in such a way that the top 16 elements of the stack remain unchanged.<br /> Input: Stack with 16 or more elements.<br /> Output: Stack with only the original top 16 elements. |