- struct malloc_elem *volatile prev; /* points to prev elem in memseg */
- LIST_ENTRY(malloc_elem) free_list; /* list of free elements in heap */
+ struct malloc_elem *volatile prev;
+ /**< points to prev elem in memseg */
+ struct malloc_elem *volatile next;
+ /**< points to next elem in memseg */
+ LIST_ENTRY(malloc_elem) free_list;
+ /**< list of free elements in heap */