--- contool.c.orig	Thu Feb 24 09:55:30 1994
+++ contool.c	Sun Jan  5 13:48:41 1997
@@ -284,6 +284,9 @@
 EXPORT	acquire_console()
 
 {	int	console;
+#if (defined(BSD) && (BSD >= 199306))
+	int	i;
+#endif
 
 #ifdef	SVR4
 	if (slave > 0) {
@@ -293,8 +296,15 @@
 	      abend("%s: could not attach to /dev/console: %s", program, sys_errlist[errno]);
 	   }
 #else
+#if (defined(BSD) && (BSD >= 199306))
+	i=1;
+#endif
 	if (slave > 0)
+#if (defined(BSD) && (BSD >= 199306))
+	   if (ioctl(slave, TIOCCONS, &i) == -1)
+#else
 	   if (ioctl(slave, TIOCCONS, NULL) == -1)
+#endif
 	      abend("%s: could not attach to /dev/console: %s", program, sys_errlist[errno]);
 #endif
 }