/*
 * 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.
 */

#define NULL    0L

char *strrpbrk(str, charset)
register char *str, *charset;
{
        register char *temp;
        extern char *index();

        temp = str + strlen(str) - 1;

        while ( temp != (str - 1)  && !index(charset, *temp) )
                --temp;

        return( (temp != (str - 1)) ? temp : NULL);
}