Function cleanup

4.Stackless Stack/public/downloads/stackless_stack.c:184–188

* @brief Cleanup resources * @param region Pointer to memory region to cleanup */

 * @param region Pointer to memory region to cleanup
 */
void cleanup(memory_region_t *region) {
    if (region != MAP_FAILED && region != NULL) {
        munmap(region, MMAP_SIZE);
    }
}

/**
 * @brief Main function - challenge entry point