$NetBSD: patch-af,v 1.1 2001/05/01 09:35:42 agc Exp $

--- 9term/9term.h.orig	Thu Dec 15 14:49:15 1994
+++ 9term/9term.h	Wed Oct  1 09:50:47 1997
@@ -31,7 +31,7 @@
 extern int		isig;
 
 extern void		specialchars(int);
-extern int		setenv(char *, char *, int);
+extern int		O_setenv(char *, char *, int);
 extern void		init_display(int *, char **, char**, char*);
 #ifdef NEEDVARARG
 extern void		error();
@@ -58,13 +58,24 @@
 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
 
 #ifdef	SUNOS
+#define	POSIXPTYS
+#define BSDPTYS
+#endif
+
+#include <sys/param.h>
+
+#if (defined(BSD) && BSD >= 199306)
 #define	POSIXPTYS
 #define BSDPTYS
 #endif