Library /sys$common/syshlp/tcpip$sda.hlb TCPIP, SHOW, MEMORY, Qualifiers, /BACKWARDS  *Conan The Librarian (sorry for the slow response - running on an old VAX)

   Follows the memory list in the reverse direction, that is, from the
   last entry to the first.  This is useful when the memory list has
   been corrupted somewhere in the middle.

   By default, the list is examined from the front of the list to the
   end of the list in the forward direction.