--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/elhash.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,83 @@
+/* Lisp interface to hash tables -- include file.
+   Copyright (C) 1995, 1996 Ben Wing.
+
+This file is part of XEmacs.
+
+XEmacs is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with XEmacs; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Synched up with: Not in FSF. */
+
+#ifndef _XEMACS_ELHASH_H_
+#define _XEMACS_ELHASH_H_
+
+DECLARE_LRECORD (hashtable, struct hashtable_struct);
+
+#define XHASHTABLE(x) XRECORD (x, hashtable, struct hashtable_struct)
+#define XSETHASHTABLE(x, p) XSETRECORD (x, p, hashtable)
+#define HASHTABLEP(x) RECORDP (x, hashtable)
+#define GC_HASHTABLEP(x) GC_RECORDP (x, hashtable)
+#define CHECK_HASHTABLE(x) CHECK_RECORD (x, hashtable)
+#define CONCHECK_HASHTABLE(x) CONCHECK_RECORD (x, hashtable)
+
+enum hashtable_type
+{
+  HASHTABLE_NONWEAK,
+  HASHTABLE_KEY_WEAK,
+  HASHTABLE_VALUE_WEAK,
+  HASHTABLE_KEY_CAR_WEAK,
+  HASHTABLE_VALUE_CAR_WEAK,
+  HASHTABLE_WEAK
+};
+
+enum hashtable_test_fun
+{
+  HASHTABLE_EQ,
+  HASHTABLE_EQL,
+  HASHTABLE_EQUAL
+};
+
+Lisp_Object Fmake_hashtable (Lisp_Object size, Lisp_Object test_fun);
+Lisp_Object Fcopy_hashtable (Lisp_Object old_table);
+Lisp_Object Fgethash (Lisp_Object obj, Lisp_Object table, 
+		      Lisp_Object defalt);
+Lisp_Object Fputhash (Lisp_Object obj, Lisp_Object val, 
+		      Lisp_Object table);
+Lisp_Object Fremhash (Lisp_Object obj, Lisp_Object table);
+Lisp_Object Fhashtable_fullness (Lisp_Object table);
+
+Lisp_Object make_lisp_hashtable (int size,
+				 enum hashtable_type type,
+				 enum hashtable_test_fun test_fun);
+
+void elisp_maphash (void (*fn) (CONST void *key, void *contents,
+				void *extra_arg),
+		    Lisp_Object table, 
+		    void *extra_arg);
+
+void elisp_map_remhash (int (*fn) (CONST void *key,
+				   CONST void *contents,
+				   void *extra_arg),
+			Lisp_Object table, 
+			void *extra_arg);
+
+int finish_marking_weak_hashtables (int (*obj_marked_p) (Lisp_Object),
+					   void (*markobj) (Lisp_Object));
+void prune_weak_hashtables (int (*obj_marked_p) (Lisp_Object));
+
+char *elisp_hvector_malloc (unsigned int, Lisp_Object);
+void elisp_hvector_free (void *ptr, Lisp_Object table);
+
+#endif /* _XEMACS_ELHASH_H_ */