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Annotation of 43BSDTahoe/usr.lib/libpc/PRED.c, revision 1.1.1.1

1.1       root        1: /* Copyright (c) 1979 Regents of the University of California */
                      2: 
                      3: static char sccsid[] = "@(#)PRED.c 1.4 6/10/81";
                      4: 
                      5: 
                      6: long
                      7: PRED(value, lower, upper)
                      8: 
                      9:        long    value;
                     10:        long    lower;
                     11:        long    upper;
                     12: {
                     13:        if (value == lower) {
                     14:                ERROR("Cannot take pred of first element of a range\n");
                     15:                return;
                     16:        }
                     17:        value--;
                     18:        if (value < lower || value > upper) {
                     19:                ERROR("Value of %D is out of range\n", value);
                     20:                return;
                     21:        }
                     22:        return  value;
                     23: }

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