+ * Revision 1.12 1998-10-13 16:00:18 adam
+ * Implemented nmem_critical_{enter,leave}.
+ *
+ * Revision 1.11 1998/08/21 14:13:36 adam
+ * Added GNU Configure script to build Makefiles.
+ *
+ * Revision 1.10 1998/07/20 12:35:57 adam
+ * Added more memory diagnostics (when NMEM_DEBUG is 1).
+ *
+ * Revision 1.9 1998/07/07 15:49:01 adam
+ * Reduced chunk size.
+ *
+ * Revision 1.8 1998/07/03 14:21:27 adam
+ * Added critical sections for pthreads-library. Thanks to Ian Ibbotson,
+ * Fretwell Downing Informatics.
+ *
+ * Revision 1.7 1998/02/11 11:53:36 adam
+ * Changed code so that it compiles as C++.
+ *
+ * Revision 1.6 1997/10/31 12:20:09 adam
+ * Improved memory debugging for xmalloc/nmem.c. References to NMEM
+ * instead of ODR in n ESPEC-1 handling in source d1_espec.c.
+ * Bug fix: missing fclose in data1_read_espec1.
+ *
+ * Revision 1.5 1997/10/06 09:09:52 adam
+ * Function mmem_exit releases memory used by the freelists.
+ *
+ * Revision 1.4 1997/09/29 07:12:50 adam
+ * NMEM thread safe. NMEM must be initialized before use (sigh) -
+ * routine nmem_init/nmem_exit implemented.
+ *
+ * Revision 1.3 1997/07/21 12:47:38 adam
+ * Moved definition of nmem_control and nmem_block.
+ *
+ * Revision 1.2 1995/12/13 13:44:37 quinn
+ * Modified Data1-system to use nmem
+ *
+ * Revision 1.1 1995/11/13 09:27:52 quinn