$NetBSD: patch-ae,v 1.2 2014/11/21 13:47:47 mef Exp $

(from the commit log)
date: 2010-02-25 03:08:12 +0900;  author: drochner;  state: Exp;
-Set the keyboard mode to raw() explicitely. ncurses seems to do
 this in some magical way, didn't find a hint in documentation.

--- src/ncu.c.orig	2009-09-24 14:05:30.000000000 +0000
+++ src/ncu.c
@@ -58,6 +58,7 @@ ncu_init(void)
 
 	/* enable extra keys */
 	keypad(stdscr, TRUE);
+	raw();
 
 	/* initialize mouse support */
 #ifdef HAVE_GETMOUSE