$NetBSD: patch-ad,v 1.4 2025/09/08 07:43:34 vins Exp $

* Support openpty() on NetBSD. 
* The local utils.h header is required for myopen().
* Add DragonFly

--- my_pty.c.orig	2024-08-13 10:49:48.000000000 +0000
+++ my_pty.c
@@ -26,7 +26,7 @@
 #ifdef __APPLE__
 #include <util.h>
 #endif
-#ifdef __OpenBSD__
+#if defined(__OpenBSD__) || defined(__NetBSD__)
 #include <util.h>
 #endif
 #if defined(linux) || defined(__CYGWIN__) || defined(__GNU__) || defined(__GLIBC__)
@@ -56,7 +56,9 @@
 #include <sys/socket.h>
 
 #include "error.h"
-
+#if defined(__sun) || defined(AIX) || defined(_HPUX_SOURCE)
+#include "utils.h"
+#endif
 
 /* the following code was mostly taken from: */
 
@@ -78,7 +80,7 @@
 
 int get_pty_and_fork(int *fd_master, int *fd_slave)
 {
-#if defined(__FreeBSD__) || defined(linux) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) || defined(__CYGWIN__) || defined(__GNU__) || defined(__GLIBC__) || defined(__minix)
+#if defined(__FreeBSD__) || defined(linux) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) || defined(__CYGWIN__) || defined(__GNU__) || defined(__GLIBC__) || defined(__minix) || defined(__DragonFly__)
 
 	if (openpty(fd_master, fd_slave, NULL, NULL, NULL) == -1)
 	{