diff --git a/appl/telnet/telnet/externs.h b/appl/telnet/telnet/externs.h
index eb86956ce..3e37e5232 100644
--- a/appl/telnet/telnet/externs.h
+++ b/appl/telnet/telnet/externs.h
@@ -223,7 +223,7 @@ int 	EncryptStatus (void);
 #endif
 
 #ifdef SIGINFO
-void ayt_status(int);
+RETSIGTYPE ayt_status(int);
 #endif
 int tn(int argc, char **argv);
 void command(int top, char *tbuf, int cnt);
@@ -428,3 +428,8 @@ extern Ring
     ttyoring,
     ttyiring;
 
+extern int resettermname;
+extern int linemode;
+#ifdef KLUDGELINEMODE
+extern int kludgelinemode;
+#endif
diff --git a/appl/telnet/telnet/sys_bsd.c b/appl/telnet/telnet/sys_bsd.c
index 4ee0628f3..19f9451eb 100644
--- a/appl/telnet/telnet/sys_bsd.c
+++ b/appl/telnet/telnet/sys_bsd.c
@@ -118,9 +118,6 @@ TerminalAutoFlush(void)
 #endif	/* LNOFLSH */
 }
 
-#ifdef	KLUDGELINEMODE
-extern int kludgelinemode;
-#endif
 /*
  * TerminalSpecialChars()
  *
diff --git a/appl/telnet/telnet/terminal.c b/appl/telnet/telnet/terminal.c
index dc7cf094c..5435badae 100644
--- a/appl/telnet/telnet/terminal.c
+++ b/appl/telnet/telnet/terminal.c
@@ -151,11 +151,7 @@ ttyflush(int drop)
 int
 getconnmode(void)
 {
-    extern int linemode;
     int mode = 0;
-#ifdef	KLUDGELINEMODE
-    extern int kludgelinemode;
-#endif
 
     if (my_want_state_is_dont(TELOPT_ECHO))
 	mode |= MODE_ECHO;