static int dccp_feat_preflist_match(u8 *servlist, u8 slen, u8 *clilist, u8 clen)
{
	u8 c, s;

	for (s = 0; s < slen; s++)
		for (c = 0; c < clen; c++)
			if (servlist[s] == clilist[c])
				return servlist[s];
	return -1;
}
static int dccp_feat_preflist_match(u8 *servlist, u8 slen, u8 *clilist, u8 clen)
{
	u8 c, s;

	for (s = 0; s < slen; s++)
		for (c = 0; c < clen; c++)
			if (servlist[s] == clilist[c])
				return servlist[s];
	return -1;
}