[radius]
dictionary=/usr/local/share/accel-ppp/radius/dictionary4
verbose=10

list_for_each_entry(opt1, &s->items, entry) {
                if (strcmp(opt1->name, "dictionary") || !opt1->val)
                        continue;
                dict = opt1->val;
                if (rad_dict_load(dict))
                        _exit(0);
        }

        if (!dict && rad_dict_load(DICTIONARY))
                _exit(0);

log_emerg("radius: open dictioanary '%s': %s\n", fname, strerror(errno))

dictionary=/path/to/dictionary