* Copyright (c) 1980 Regents of the University of California.
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* notice, this list of conditions and the following disclaimer.
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* 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.
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* 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
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static char sccsid
[] = "@(#)getcodi.c 5.4 (Berkeley) 6/1/90";
** get course and distance
** The user is asked for a course and distance. This is used by
** move, impulse, and some of the computer functions.
** The return value is zero for success, one for an invalid input
** (meaning to drop the request).
*co
= getintpar("Course");
/* course must be in the interval [0, 360] */
if (*co
< 0 || *co
> 360)
*di
= getfltpar("Distance");
/* distance must be in the interval [0, 15] */
if (*di
<= 0.0 || *di
> 15.0)