diff --git a/appl/telnet/libtelnet/auth-proto.h b/appl/telnet/libtelnet/auth-proto.h
index 75adddcfc..43c8dab82 100644
--- a/appl/telnet/libtelnet/auth-proto.h
+++ b/appl/telnet/libtelnet/auth-proto.h
@@ -58,7 +58,6 @@
 #ifdef AUTHENTICATION
 Authenticator *findauthenticator (int, int);
 
-int auth_cmd (int, char **);
 int auth_wait (char *);
 void auth_disable_name (char *);
 void auth_finished (Authenticator *, int);
@@ -71,7 +70,16 @@ void auth_request (void);
 void auth_send (unsigned char *, int);
 void auth_send_retry (void);
 void auth_printsub(unsigned char*, int, unsigned char*, int);
-
+int getauthmask(char *type, int *maskp);
+int auth_enable(char *type);
+int auth_disable(char *type);
+int auth_onoff(char *type, int on);
+int auth_togdebug(int on);
+int auth_status(void);
+int auth_sendname(unsigned char *cp, int len);
+void auth_debug(int mode);
+void auth_gen_printsub(unsigned char *data, int cnt,
+		       unsigned char *buf, int buflen);
 
 #ifdef UNSAFE
 int unsafe_init (Authenticator *, int);
diff --git a/appl/telnet/libtelnet/enc-proto.h b/appl/telnet/libtelnet/enc-proto.h
index 6a4611b6e..d02c15d9a 100644
--- a/appl/telnet/libtelnet/enc-proto.h
+++ b/appl/telnet/libtelnet/enc-proto.h
@@ -105,7 +105,6 @@ void encrypt_wait(void);
 #ifdef	TELENTD
 void encrypt_wait (void);
 #else
-int encrypt_cmd (int, char **);
 void encrypt_display (void);
 #endif
 
diff --git a/appl/telnet/libtelnet/misc-proto.h b/appl/telnet/libtelnet/misc-proto.h
index 240574bf0..e9ace347d 100644
--- a/appl/telnet/libtelnet/misc-proto.h
+++ b/appl/telnet/libtelnet/misc-proto.h
@@ -59,6 +59,7 @@
 #define	__MISC_PROTO__
 
 void auth_encrypt_init (char *, char *, char *, int);
+void auth_encrypt_user(char *name);
 void auth_encrypt_connect (int);
 void printd (unsigned char *, int);
 
diff --git a/appl/telnet/libtelnet/misc.c b/appl/telnet/libtelnet/misc.c
index 76f9c2c52..1990eeeca 100644
--- a/appl/telnet/libtelnet/misc.c
+++ b/appl/telnet/libtelnet/misc.c
@@ -39,6 +39,8 @@
 RCSID("$Id$");
 
 #include "misc.h"
+#include <string.h>
+#include <roken.h>
 
 char *RemoteHostName;
 char *LocalHostName;
@@ -65,8 +67,6 @@ auth_encrypt_init(char *local, char *remote, char *name, int server)
 void
 auth_encrypt_user(char *name)
 {
-    extern char *strdup(const char *);
-
     if (UserNameRequested)
 	free(UserNameRequested);
     UserNameRequested = name ? strdup(name) : 0;