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Annotation of 43BSDReno/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 provided
                      6:  * that: (1) source distributions retain this entire copyright notice and
                      7:  * comment, and (2) distributions including binaries display the following
                      8:  * acknowledgement:  ``This product includes software developed by the
                      9:  * University of California, Berkeley and its contributors'' in the
                     10:  * documentation or other materials provided with the distribution and in
                     11:  * all advertising materials mentioning features or use of this software.
                     12:  * Neither the name of the University nor the names of its contributors may
                     13:  * be used to endorse or promote products derived from this software without
                     14:  * specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #ifndef lint
                     21: static char sccsid[] = "@(#)getcodi.c  5.4 (Berkeley) 6/1/90";
                     22: #endif /* not lint */
                     23: 
                     24: # include      "getpar.h"
                     25: 
                     26: /*
                     27: **  get course and distance
                     28: **
                     29: **     The user is asked for a course and distance.  This is used by
                     30: **     move, impulse, and some of the computer functions.
                     31: **
                     32: **     The return value is zero for success, one for an invalid input
                     33: **     (meaning to drop the request).
                     34: */
                     35: 
                     36: getcodi(co, di)
                     37: int    *co;
                     38: double *di;
                     39: {
                     40: 
                     41:        *co = getintpar("Course");
                     42: 
                     43:        /* course must be in the interval [0, 360] */
                     44:        if (*co < 0 || *co > 360)
                     45:                return (1);
                     46:        *di = getfltpar("Distance");
                     47: 
                     48:        /* distance must be in the interval [0, 15] */
                     49:        if (*di <= 0.0 || *di > 15.0)
                     50:                return (1);
                     51: 
                     52:        /* good return */
                     53:        return (0);
                     54: }

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