/*
 * edlib v1.1 Copyright 1989 Edwin Hoogerbeets
 * This code is freely redistributable as long as no charge other than
 * reasonable copying fees are levied for it.
 */

/*
    returns a nonzero value if c is the code for an octal digit, otherwise
    return zero
*/
#include <ctype.h>

int isodigit(c)
register char c;
{
    if (c == '9' || c == '8') {
        return(0);
    } else {
        return(isdigit(c));
    }
}