$NetBSD: patch-af,v 1.2 2012/05/04 16:38:44 joerg Exp $

--- 9term/9term.h.orig	1994-12-15 14:49:15.000000000 +0000
+++ 9term/9term.h
@@ -30,8 +30,10 @@ extern int		canonical;
 extern int		echo;
 extern int		isig;
 
+extern void		saveunixspecials(int);
 extern void		specialchars(int);
-extern int		setenv(char *, char *, int);
+extern void		O_killpg(int);
+extern void		O_setenv(char *, char *, int);
 extern void		init_display(int *, char **, char**, char*);
 #ifdef NEEDVARARG
 extern void		error();
@@ -58,8 +60,12 @@ extern void		flushstream(void);
 extern void		setborder(void);
 extern void		ctlmsg(Event *);
 
+#ifndef MAX
 #define MAX(x, y)	(((x) > (y)) ? (x) : (y))
+#endif
+#ifndef MIN
 #define MIN(x, y)	(((x) < (y)) ? (x) : (y))
+#endif
 #ifndef NULL
 #define NULL ((void *)0)
 #endif
@@ -69,6 +75,13 @@ extern void		ctlmsg(Event *);
 #define BSDPTYS
 #endif
 
+#include <sys/param.h>
+
+#if (defined(BSD) && BSD >= 199306)
+#define	POSIXPTYS
+#define BSDPTYS
+#endif
+
 #ifdef	__ultrix
 	/* Maybe only Ultrix 4.3. Joy. */
 #define	POSIXPTYS