--- /dev/null
+/* $Id$ */
+
+/* Release $Name$ */
+
+/* 7.9 Alternative spellings <iso646.h>
+
+ This file is part of the Public Domain C Library (PDCLib).
+ Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#ifndef _PDCLIB_ISO646_H
+#define _PDCLIB_ISO646_H _PDCLIB_ISO646_H
+
+#define and &&
+#define and_eq &=
+#define bitand &
+#define bitor |
+#define compl \98
+#define not !
+#define not_eq !=
+#define or ||
+#define or_eq |=
+#define xor \88
+#define xor_eq \88=
+
+#endif
+