free(config.dhcpdconf_file);
free(config.dhcpdlease_file);
free(config.output_file);
free(ranges);
free(leases);
free(touches);
free(config.dhcpdconf_file);
free(config.dhcpdlease_file);
free(config.output_file);
free(ranges);
free(leases);
free(touches);