rem: return for_each_chain(zero_entries, verbose, handle);
add: return for_each_chain(zero_entries, verbose, 1, handle);
context: zero_entries(const ipt_chainlabel chain, int verbose,	     iptc_handle_t *handle){	if (!chain)		return for_each_chain(zero_entries, verbose, handle);	if (verbose)		fprintf(stdout, "Zeroing chain `%s'\n", chain);	return iptc_zero_entries(chain, handle);}