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Annotation of 43BSD/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.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  */
                      6: 
                      7: #ifndef lint
                      8: static char sccsid[] = "@(#)getcodi.c  5.1 (Berkeley) 5/30/85";
                      9: #endif not lint
                     10: 
                     11: # include      "getpar.h"
                     12: 
                     13: /*
                     14: **  get course and distance
                     15: **
                     16: **     The user is asked for a course and distance.  This is used by
                     17: **     move, impulse, and some of the computer functions.
                     18: **
                     19: **     The return value is zero for success, one for an invalid input
                     20: **     (meaning to drop the request).
                     21: */
                     22: 
                     23: getcodi(co, di)
                     24: int    *co;
                     25: double *di;
                     26: {
                     27: 
                     28:        *co = getintpar("Course");
                     29: 
                     30:        /* course must be in the interval [0, 360] */
                     31:        if (*co < 0 || *co > 360)
                     32:                return (1);
                     33:        *di = getfltpar("Distance");
                     34: 
                     35:        /* distance must be in the interval [0, 15] */
                     36:        if (*di <= 0.0 || *di > 15.0)
                     37:                return (1);
                     38: 
                     39:        /* good return */
                     40:        return (0);
                     41: }

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