BSD 4 release

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

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

static char sccsid[] = "@(#)PRED.c 1.1 10/29/80";

#include "h01errs.h"

PRED(value, lower, upper)

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