/* Arithmetic.
- Copyright (C) 2001-2002 Free Software Foundation, Inc.
+ Copyright (C) 2001-2002, 2006 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2001.
This program is free software; you can redistribute it and/or modify
#ifndef _GCD_H
#define _GCD_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
/* Return the greatest common divisor of a > 0 and b > 0. */
extern unsigned long gcd (unsigned long a, unsigned long b);
+
+#ifdef __cplusplus
+}
+#endif
+
#endif /* _GCD_H */