merge in onyx changes

[unix-history] / usr / src / usr.bin / pascal / libpc / PRED.c

/* Copyright (c) 1979 Regents of the University of California */

static char sccsid[] = "@(#)PRED.c 1.2 %G%";

#include "h01errs.h"

long
PRED(value, lower, upper)

       long    value;
       long    lower;
       long    upper;
{
       value--;
       if (value < lower || value > upper) {
               ERROR(ERANGE, value);
               return;
       }
       return  value;
}