Explaining The Heap snippet

tmpym0r7t5p.txt

Lower Address <--------------------------------------------------------> Higher Address
             *<pointer>
+----------+-----------+-----------+---------+---------+---------+---------+----------+
| <return> | uses_nvim |    wpm    | name[0] | name[1] | name[2] | name[3] |   ...    |
+----------+-----------+-----------+---------+---------+---------+---------+----------+
|   ...    |     1     |    150    |   'p'   |   'a'   |   'u'   |   'l'   |   ...    |
+----------+-----------+-----------+---------+---------+---------+---------+----------+
| 0xFEFC   | 0xFF00    | 0xFF04    | 0xFF08  | 0xFF0C  | 0xFF10  | 0xFF14  |   0xFF18 |
+----------+-----------+-----------+---------+---------+---------+---------+----------+
\____________________________________________________________________________________/
                                         Stack Frame