BSD 4_4_Lite1 release

[unix-history] / usr / src / games / snake / snake / snake.c

diff --git a/usr/src/games/snake/snake/snake.c b/usr/src/games/snake/snake/snake.c
index efdff1a..b99da10 100644 (file)
--- a/usr/src/games/snake/snake/snake.c
+++ b/usr/src/games/snake/snake/snake.c
@@ -1,18 +1,44 @@
 /*
 /*

- * 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.

  *
  *

- * %sccs.include.redist.c%
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 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
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.

  */
 
 #ifndef lint
  */
 
 #ifndef lint

-char copyright[] =
-"@(#) Copyright (c) 1980 Regents of the University of California.\n\
- All rights reserved.\n";
+static char copyright[] =
+"@(#) Copyright (c) 1980, 1993\n\
+       The Regents of the University of California.  All rights reserved.\n";

 #endif /* not lint */
 
 #ifndef lint
 #endif /* not lint */
 
 #ifndef lint

-static char sccsid[] = "@(#)snake.c    5.10 (Berkeley) %G%";
+static char sccsid[] = "@(#)snake.c    8.2 (Berkeley) 1/7/94";

 #endif /* not lint */
 
 /*
 #endif /* not lint */
 
 /*


@@ -27,9 +53,12 @@ static char sccsid[] = "@(#)snake.c  5.10 (Berkeley) %G%";
  */
 
 #include <sys/param.h>
  */
 
 #include <sys/param.h>

+
+#include <errno.h>

 #include <fcntl.h>
 #include <pwd.h>
 #include <fcntl.h>
 #include <pwd.h>

-#include <errno.h>
+#include <time.h>
+

 #include "snake.h"
 #include "pathnames.h"
 
 #include "snake.h"
 #include "pathnames.h"
 


@@ -71,7 +100,6 @@ char **argv;
        extern char *optarg;
        extern int optind;
        int ch, i, j, k;
        extern char *optarg;
        extern int optind;
        int ch, i, j, k;

-       time_t time();

        long atol();
        void stop();
 
        long atol();
        void stop();
 


@@ -511,7 +539,7 @@ struct point *sp, *np;
           snake would get too good */
        struct point d;
        int w, i, wt[8];
           snake would get too good */
        struct point d;
        int w, i, wt[8];

-       double sqrt(), v1, v2, vp, max;
+       double v1, v2, vp, max;

        point(&d,you.col-sp->col,you.line-sp->line);
        v1 = sqrt( (double) (d.col*d.col + d.line*d.line) );
        w=0; 
        point(&d,you.col-sp->col,you.line-sp->line);
        v1 = sqrt( (double) (d.col*d.col + d.line*d.line) );
        w=0;