$NetBSD: patch-ad,v 1.5 2019/07/30 08:08:22 nia Exp $

NetBSD does not have this pts ioctl.

--- src/Unix/sshpty.c.orig	2019-04-05 05:12:49.000000000 +0000
+++ src/Unix/sshpty.c
@@ -182,7 +182,7 @@ pty_allocate(int *ptyfd, int *ttyfd, cha
 		close(*ptyfd);
 		return 0;
 	}
-#ifndef HAVE_CYGWIN
+#if !defined(HAVE_CYGWIN) && !defined(__NetBSD__)
 	/*
 	 * Push the appropriate streams modules, as described in Solaris pts(7).
 	 * HP-UX pts(7) doesn't have ttcompat module.