cgram: add advanced cursor movement with tab, shift+tab, return

[bsdgames-darwin.git] / trek / visual.c

diff --git a/trek/visual.c b/trek/visual.c
index a4f06c07de4dce58ede6377b7716f9c195131e3f..286901e29ccda5215632dabc29d482dcec2a5dcf 100644 (file)
--- a/trek/visual.c
+++ b/trek/visual.c
@@ -1,6 +1,8 @@
+/*     $NetBSD: visual.c,v 1.10 2009/08/12 08:54:54 dholland Exp $     */
+
 /*
- * Copyright (c) 1980 Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1980, 1993
+ *     The Regents of the University of California.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -10,11 +12,7 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *     This product includes software developed by the University of
- *     California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
@@ -31,11 +29,18 @@
  * SUCH DAMAGE.
  */
 
+#include <sys/cdefs.h>
 #ifndef lint
-static char sccsid[] = "@(#)visual.c   5.4 (Berkeley) 6/1/90";
+#if 0
+static char sccsid[] = "@(#)visual.c   8.1 (Berkeley) 5/31/93";
+#else
+__RCSID("$NetBSD: visual.c,v 1.10 2009/08/12 08:54:54 dholland Exp $");
+#endif
 #endif /* not lint */
 
-# include      "trek.h"
+#include <stdio.h>
+#include "trek.h"
+#include "getpar.h"
 
 /*
 **  VISUAL SCAN
@@ -47,26 +52,27 @@ static char sccsid[] = "@(#)visual.c        5.4 (Berkeley) 6/1/90";
 */
 
 /* This struct[] has the delta x, delta y for particular directions */
-struct xy      Visdelta[11] =
-{
-       -1,     -1,
-       -1,      0,
-       -1,      1,
-        0,      1,
-        1,      1,
-        1,      0,
-        1,     -1,
-        0,     -1,
-       -1,     -1,
-       -1,      0,
-       -1,      1
+static struct xy Visdelta[11] = {
+       { -1,   -1 },
+       { -1,    0 },
+       { -1,    1 },
+       {  0,    1 },
+       {  1,    1 },
+       {  1,    0 },
+       {  1,   -1 },
+       {  0,   -1 },
+       { -1,   -1 },
+       { -1,    0 },
+       { -1,    1 }
 };
 
-visual()
+/*ARGSUSED*/
+void
+visual(int z __unused)
 {
-       register int            ix, iy;
-       int                     co;
-       register struct xy      *v;
+       int             ix, iy;
+       int             co;
+       struct xy       *v;
 
        co = getintpar("direction");
        if (co < 0 || co > 360)