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Annotation of 42BSD/games/trek/getcodi.c, revision 1.1.1.1

1.1       root        1: #ifndef lint
                      2: static char sccsid[] = "@(#)getcodi.c  4.2     (Berkeley)      5/27/83";
                      3: #endif not lint
                      4: 
                      5: # include      "getpar.h"
                      6: 
                      7: /*
                      8: **  get course and distance
                      9: **
                     10: **     The user is asked for a course and distance.  This is used by
                     11: **     move, impulse, and some of the computer functions.
                     12: **
                     13: **     The return value is zero for success, one for an invalid input
                     14: **     (meaning to drop the request).
                     15: */
                     16: 
                     17: getcodi(co, di)
                     18: int    *co;
                     19: double *di;
                     20: {
                     21: 
                     22:        *co = getintpar("Course");
                     23: 
                     24:        /* course must be in the interval [0, 360] */
                     25:        if (*co < 0 || *co > 360)
                     26:                return (1);
                     27:        *di = getfltpar("Distance");
                     28: 
                     29:        /* distance must be in the interval [0, 15] */
                     30:        if (*di <= 0.0 || *di > 15.0)
                     31:                return (1);
                     32: 
                     33:        /* good return */
                     34:        return (0);
                     35: }

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