+@deftypefn Supplemental int rename (const char *@var{old}, const char *@var{new})
+
+Renames a file from @var{old} to @var{new}. If @var{new} already
+exists, it is removed.
+
+@end deftypefn
+
+*/
+
+#include "ansidecl.h"
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif