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diff --git a/Include/accessobject.h b/Include/accessobject.h
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+/***********************************************************
+Copyright 1991, 1992, 1993 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its 
+documentation for any purpose and without fee is hereby granted, 
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in 
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior permission.
+
+STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
+THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
+FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Access object interface */
+
+/* Access mode bits (note similarity with UNIX permissions) */
+#define AC_R		0444
+#define AC_W		0222
+
+#define AC_PRIVATE	0700
+#define AC_R_PRIVATE	0400
+#define AC_W_PRIVATE	0200
+
+#define AC_PROTECTED	0070
+#define AC_R_PROTECTED	0040
+#define AC_W_PROTECTED	0020
+
+#define AC_PUBLIC	0007
+#define AC_R_PUBLIC	0004
+#define AC_W_PUBLIC	0002
+
+extern typeobject Accesstype;
+
+#define is_accessobject(v) ((v)->ob_type == &Accesstype)
+
+object *newaccessobject PROTO((object *, object *, typeobject *, int));
+object *getaccessvalue PROTO((object *, object *));
+int setaccessvalue PROTO((object *, object *, object *));
+
+void setaccessowner PROTO((object *, object *));
+object *cloneaccessobject PROTO((object *));
+
+extern typeobject Anynumbertype, Anysequencetype, Anymappingtype;