diff --git a/authfd.c b/authfd.c
index 9f47b0a..dfa33a9 100644
--- a/authfd.c
+++ b/authfd.c
@@ -35,7 +35,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: authfd.c,v 1.40 2001/06/07 20:23:03 markus Exp $");
+RCSID("$OpenBSD: authfd.c,v 1.41 2001/06/23 15:12:17 itojun Exp $");
 
 #include <openssl/evp.h>
 
@@ -96,7 +96,7 @@
 	return sock;
 }
 
-int
+static int
 ssh_request_reply(AuthenticationConnection *auth, Buffer *request, Buffer *reply)
 {
 	int l, len;
@@ -419,7 +419,7 @@
 
 /* Encode key for a message to the agent. */
 
-void
+static void
 ssh_encode_identity_rsa1(Buffer *b, RSA *key, const char *comment)
 {
 	buffer_clear(b);
@@ -435,7 +435,7 @@
 	buffer_put_cstring(b, comment);
 }
 
-void
+static void
 ssh_encode_identity_ssh2(Buffer *b, Key *key, const char *comment)
 {
 	buffer_clear(b);