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+/***********************************************************
+Copyright 1991 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.
+
+******************************************************************/
+
+/* Interface to map C struct members to Python object attributes */
+
+/* The offsetof() macro calculates the offset of a structure member
+ in its structure. Unfortunately this cannot be written down
+ portably, hence it is provided by a Standard C header file.
+ For pre-Standard C compilers, here is a version that usually works
+ (but watch out!): */
+
+#ifndef offsetof
+#define offsetof(type, member) ( (int) & ((type*)0) -> member )
+#endif
+
+/* An array of memberlist structures defines the name, type and offset
+ of selected members of a C structure. These can be read by
+ getmember() and set by setmember() (except if their READONLY flag
+ is set). The array must be terminated with an entry whose name
+ pointer is NULL. */
+
+struct memberlist {
+ char *name;
+ int type;
+ int offset;
+ int readonly;
+};
+
+/* Types */
+#define T_SHORT 0
+#define T_INT 1
+#define T_LONG 2
+#define T_FLOAT 3
+#define T_DOUBLE 4
+#define T_STRING 5
+#define T_OBJECT 6
+
+/* Readonly flag */
+#define READONLY 1
+#define RO READONLY /* Shorthand */
+
+object *getmember PROTO((char *, struct memberlist *, char *));
+int setmember PROTO((char *, struct memberlist *, char *, object *));