$NetBSD: patch-as,v 1.2 1999/11/29 05:01:36 soren Exp $

--- icb/unix.c.orig	Sun Nov 28 23:33:27 1999
+++ icb/unix.c	Sun Nov 28 23:35:51 1999
@@ -92,13 +92,13 @@
 pushback(c)
 char c;
 {
-#ifndef SYSV
+#ifdef TIOCSTI
 	if (ioctl(0, TIOCSTI, &c) < 0)
 		perror("TIOCSTI ioctl failed");
-#else /* SYSV */
+#else /* !TIOCSTI */
 	if (ungetc(c,stdin) == EOF)
 		perror("ungetc() failed");
-#endif /* SYSV */
+#endif /* TIOCSTI */
 }