+#ifndef _POSIX_PATH_MAX
+#define _POSIX_PATH_MAX _MAX_PATH
+#endif
+
+/* There is not standard header for this, yet it is needed for
+ * timezone changes.
+ */
+#ifndef environ
+extern char **environ;
+#endif
+
+/* If types are missing, the script defines.awk contained
+ * in configure.status should create definitions here.
+ */