IPV6_V6ONLY
#ifndef IPV6_V6ONLY
# if defined(IPV6_V6ONLY)
if (setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,
|| defined(IPV6_V6ONLY) || defined(IP_TRANSPARENT) \
#if defined(IPV6_V6ONLY)
if(setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,
case IPV6_V6ONLY:
case IPV6_V6ONLY:
case IPV6_V6ONLY:
case IPV6_V6ONLY:
case IPV6_V6ONLY:
#if defined(SO_REUSEADDR) || (defined(INET6) && (defined(IPV6_V6ONLY) || defined(IPV6_USE_MIN_MTU) || defined(IPV6_MTU)))
#if defined(INET6) && defined(IPV6_V6ONLY)
setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on)) < 0)
#ifdef IPV6_V6ONLY
#ifdef IPV6_V6ONLY
#if defined(SO_REUSEADDR) || (defined(INET6) && (defined(IPV6_V6ONLY) || defined(IPV6_USE_MIN_MTU) || defined(IPV6_MTU)))
#if defined(INET6) && defined(IPV6_V6ONLY)
setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on)) < 0)
#ifdef IPV6_V6ONLY
sock->s, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on)))
if (setsockopt(ripsock, IPPROTO_IPV6, IPV6_V6ONLY,
#ifndef IPV6_V6ONLY
# if defined(IPV6_V6ONLY)
if (setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,
|| defined(IPV6_V6ONLY) || defined(IP_TRANSPARENT) \
#if defined(IPV6_V6ONLY)
if(setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,