+ * Revision 1.5 2002/01/13 13:33:15 mdw
+ * Track interface change for @lbuf@.
+ *
+ * Revision 1.4 2000/06/17 10:38:14 mdw
+ * Add support for variable buffer sizes.
+ *
+ * Revision 1.3 1999/05/22 13:41:00 mdw
+ * Fix end-of-file detection and error handling.
+ *
+ * Revision 1.2 1999/05/17 20:36:50 mdw
+ * Make the magical constants for the buffer flags uppercase.
+ *