$NetBSD: patch-bj,v 1.3 2013/01/11 13:24:32 joerg Exp $

--- readline/readline.h.orig	1995-02-24 21:20:03.000000000 +0000
+++ readline/readline.h
@@ -5,11 +5,13 @@
 
 #include <readline/keymaps.h>
 #include <stdio.h>
+#include <string.h>
 
 #if !defined (__FUNCTION_DEF)
-typedef int Function ();
+typedef int Function (const char *);
 #define __FUNCTION_DEF
 #endif /* __FUNCTION_DEF */
+typedef char **CPPFunction(const char *, int, int);
 
 /* The functions for manipulating the text of the line within readline.
 Most of these functions are bound to keys by default. */
@@ -28,8 +30,9 @@ extern int
   rl_undo_command (), rl_revert_line (), rl_beginning_of_history (),
   rl_end_of_history (), rl_forward_search_history (), rl_insert (),
   rl_upcase_word (), rl_downcase_word (), rl_capitalize_word (),
-  rl_restart_output (), rl_re_read_init_file (), rl_dump_functions (),
-  rl_redisplay ();
+  rl_restart_output (), rl_re_read_init_file (), rl_dump_functions ();
+
+extern void rl_redisplay (void);
 
 /* These are *both* defined even when VI_MODE is not. */
 extern int rl_vi_editing_mode (), rl_emacs_editing_mode ();
@@ -141,7 +144,7 @@ extern Function *rl_ignore_some_completi
    If this function exists and returns NULL then call the value of
    rl_completion_entry_function to try to match, otherwise use the
    array of strings returned. */
-extern Function *rl_attempted_completion_function;
+extern CPPFunction *rl_attempted_completion_function;
 
 /* If non-zero, then this is the address of a function to call just
    before readline_internal () prints the first prompt. */