* Copyright (c) 1980 The Regents of the University of California.
* All rights reserved.
*
- * %sccs.include.proprietary.c%
+ * This module is believed to contain source code proprietary to AT&T.
+ * Use and redistribution is subject to the Berkeley Software License
+ * Agreement and your Software Agreement with AT&T (Western Electric).
*/
#ifndef lint
-static char sccsid[] = "@(#)derf_.c 5.2 (Berkeley) %G%";
+static char sccsid[] = "@(#)derf_.c 5.2 (Berkeley) 4/12/91";
#endif /* not lint */
double derf_(x)