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Annotation of 43BSDTahoe/games/trek/getcodi.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1980 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that the above copyright notice and this paragraph are
                      7:  * duplicated in all such forms and that any documentation,
                      8:  * advertising materials, and other materials related to such
                      9:  * distribution and use acknowledge that the software was developed
                     10:  * by the University of California, Berkeley.  The name of the
                     11:  * University may not be used to endorse or promote products derived
                     12:  * from this software without specific prior written permission.
                     13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     16:  */
                     17: 
                     18: #ifndef lint
                     19: static char sccsid[] = "@(#)getcodi.c  5.3 (Berkeley) 6/18/88";
                     20: #endif /* not lint */
                     21: 
                     22: # include      "getpar.h"
                     23: 
                     24: /*
                     25: **  get course and distance
                     26: **
                     27: **     The user is asked for a course and distance.  This is used by
                     28: **     move, impulse, and some of the computer functions.
                     29: **
                     30: **     The return value is zero for success, one for an invalid input
                     31: **     (meaning to drop the request).
                     32: */
                     33: 
                     34: getcodi(co, di)
                     35: int    *co;
                     36: double *di;
                     37: {
                     38: 
                     39:        *co = getintpar("Course");
                     40: 
                     41:        /* course must be in the interval [0, 360] */
                     42:        if (*co < 0 || *co > 360)
                     43:                return (1);
                     44:        *di = getfltpar("Distance");
                     45: 
                     46:        /* distance must be in the interval [0, 15] */
                     47:        if (*di <= 0.0 || *di > 15.0)
                     48:                return (1);
                     49: 
                     50:        /* good return */
                     51:        return (0);
                     52: }

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