$NetBSD: patch-ac,v 1.2 2004/11/25 11:53:13 imilh Exp $

--- check-hdlc.c.orig	2002-06-10 19:49:33.000000000 +0200
+++ check-hdlc.c
@@ -9,5 +9,7 @@
 */
 
+#if !defined(_XOPEN_SOURCE) && !defined(__osf__) && !defined(__NetBSD__)
 #define _XOPEN_SOURCE /* for grantpt in <stdlib.h> */
+#endif
 
 #include <stdio.h>
@@ -16,4 +18,12 @@
 #include <fcntl.h>
 #include <sys/ioctl.h>
+#ifdef __NetBSD__
+#include <util.h>
+#include <string.h>
+#include <errno.h>
+#include <err.h>
+
+#define N_HDLC 13
+#endif
 
 /* for ident(1) command */
@@ -22,4 +32,17 @@ static const char id[] = "@(#) $Id: chec
 int get_master_slave_ptmx(int *master, int *slave)
 {
+#ifdef __NetBSD__
+        /* openpty(3) exists in OSF/1 and some other os'es */
+        char buf[64];
+        int i;
+
+        i = openpty(master, slave, buf, NULL, NULL);
+        if (i < 0) {
+                err(1, "openpty: %.100s", strerror(errno));
+                return -1;
+        }
+
+        return 0;
+#else
 	const char *pts;
 
@@ -40,4 +63,5 @@ int get_master_slave_ptmx(int *master, i
 	/* gotcha! */
 	return 0;
+#endif
 }