+ * Revision 1.5 2004/04/02 01:03:49 mdw
+ * Miscellaneous constification.
+ *
+ * Revision 1.4 2002/01/24 22:26:11 mdw
+ * Fix build failure when @mlock@ not available.
+ *
+ * Revision 1.3 2000/07/29 21:58:15 mdw
+ * (l_destroy): New function for destroying locked memory blocks.
+ *