Annotation of 43BSDReno/games/trek/getcodi.c, revision 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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