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git.cameronkatri.com Git - bsdgames-darwin.git/blob - trek/getcodi.c
2 * Copyright (c) 1980 Regents of the University of California.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 /*static char sccsid[] = "from: @(#)getcodi.c 5.4 (Berkeley) 6/1/90";*/
36 static char rcsid
[] = "$Id: getcodi.c,v 1.2 1993/08/01 18:50:30 mycroft Exp $";
42 ** get course and distance
44 ** The user is asked for a course and distance. This is used by
45 ** move, impulse, and some of the computer functions.
47 ** The return value is zero for success, one for an invalid input
48 ** (meaning to drop the request).
56 *co
= getintpar("Course");
58 /* course must be in the interval [0, 360] */
59 if (*co
< 0 || *co
> 360)
61 *di
= getfltpar("Distance");
63 /* distance must be in the interval [0, 15] */
64 if (*di
<= 0.0 || *di
> 15.0)