Example: User space format

This example illustrates the format of a user space. It does not contain all of the fields in the fixed portion of a user space.

                      User Space             Fixed locations
              *------------------------*     in the user space
              |                        |     *----------------*
              |                        |
              |                        |
              |             XXXX  *----+---> Offset to data section
              |                        |
              |             XXXX  *----+---> Number of list entries
              |                        |
              |             XXXX  *----+---> Size of each entry
              |                        |
              |                        |
 2nd entry *--|-----------------*      |
              |                 |      |  Variable locations in the
 1st entry *--|--*              |      |  user space
              |  V              V      |  *-----------------------*
              |AAAAABBBBCCCDDDEEAAAABB |*---> List of entries
              |BBBCCCDDDEEAAAABBBBBCCD |
              |DDDEEAAAABBBBCCCDDDEE.. |
              *------------------------*