diff --git a/include/rpc/clnt.h b/include/rpc/clnt.h
index 5f4c2392f363..10df3eac5873 100644
--- a/include/rpc/clnt.h
+++ b/include/rpc/clnt.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: clnt.h,v 1.14 2000/06/02 22:57:55 fvdl Exp $	*/
+/*	$NetBSD: clnt.h,v 1.15 2001/02/13 01:00:21 cgd Exp $	*/
 
 /*
  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
@@ -418,8 +418,8 @@ __END_DECLS
  * Print why creation failed
  */
 __BEGIN_DECLS
-extern void clnt_pcreateerror	__P((char *));			/* stderr */
-extern char *clnt_spcreateerror	__P((char *));			/* string */
+extern void clnt_pcreateerror	__P((const char *));		/* stderr */
+extern char *clnt_spcreateerror	__P((const char *));		/* string */
 __END_DECLS
 
 /*
@@ -434,8 +434,8 @@ __END_DECLS
  * Print an English error message, given the client error code
  */
 __BEGIN_DECLS
-extern void clnt_perror		__P((CLIENT *, char *)); 	/* stderr */
-extern char *clnt_sperror	__P((CLIENT *, char *));	/* string */
+extern void clnt_perror		__P((CLIENT *, const char *)); 	/* stderr */
+extern char *clnt_sperror	__P((CLIENT *, const char *));	/* string */
 __END_DECLS
 
 
diff --git a/lib/libc/rpc/clnt_perror.c b/lib/libc/rpc/clnt_perror.c
index 5f8a1eace728..35f32e624dde 100644
--- a/lib/libc/rpc/clnt_perror.c
+++ b/lib/libc/rpc/clnt_perror.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: clnt_perror.c,v 1.24 2000/06/02 23:11:07 fvdl Exp $	*/
+/*	$NetBSD: clnt_perror.c,v 1.25 2001/02/13 01:00:21 cgd Exp $	*/
 
 /*
  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
@@ -35,7 +35,7 @@
 static char *sccsid = "@(#)clnt_perror.c 1.15 87/10/07 Copyr 1984 Sun Micro";
 static char *sccsid = "@(#)clnt_perror.c	2.1 88/07/29 4.0 RPCSRC";
 #else
-__RCSID("$NetBSD: clnt_perror.c,v 1.24 2000/06/02 23:11:07 fvdl Exp $");
+__RCSID("$NetBSD: clnt_perror.c,v 1.25 2001/02/13 01:00:21 cgd Exp $");
 #endif
 #endif
 
@@ -88,7 +88,7 @@ _buf()
 char *
 clnt_sperror(rpch, s)
 	CLIENT *rpch;
-	char *s;
+	const char *s;
 {
 	struct rpc_err e;
 	char *err;
@@ -181,7 +181,7 @@ clnt_sperror(rpch, s)
 void
 clnt_perror(rpch, s)
 	CLIENT *rpch;
-	char *s;
+	const char *s;
 {
 
 	_DIAGASSERT(rpch != NULL);
@@ -238,7 +238,7 @@ clnt_perrno(num)
 
 char *
 clnt_spcreateerror(s)
-	char *s;
+	const char *s;
 {
 	char *str;
 	size_t len, i;
@@ -289,7 +289,7 @@ clnt_spcreateerror(s)
 
 void
 clnt_pcreateerror(s)
-	char *s;
+	const char *s;
 {
 
 	_DIAGASSERT(s != NULL);