__IPV6_ADDR_SCOPE_SITELOCAL
return __IPV6_ADDR_SCOPE_SITELOCAL;
case __IPV6_ADDR_SCOPE_SITELOCAL:
return __IPV6_ADDR_SCOPE_SITELOCAL;
case __IPV6_ADDR_SCOPE_SITELOCAL:
(__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL))