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Annotation of 43BSDTahoe/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
        !             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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