+ * Revision 1.4 1996-07-03 13:21:36 adam
+ * Function xfree_f checks for NULL pointer.
+ *
+ * Revision 1.3 1995/12/05 15:08:44 adam
+ * Fixed verbose of xrealloc.
+ *
+ * Revision 1.2 1995/12/05 11:08:37 adam
+ * More verbose malloc routines.
+ *
+ * Revision 1.1 1995/11/01 11:56:53 quinn