IPV6_FLOWINFO
put_cmsg(msg, SOL_IPV6, IPV6_FLOWINFO, sizeof(flowinfo), &flowinfo);
case IPV6_FLOWINFO:
put_cmsg(&msg, SOL_IPV6, IPV6_FLOWINFO, sizeof(flowinfo), &flowinfo);
case IPV6_FLOWINFO:
case IPV6_FLOWINFO:
case IPV6_FLOWINFO:
cm->cmsg_type != IPV6_FLOWINFO)
if (setsockopt(fdr, SOL_IPV6, IPV6_FLOWINFO, &one, sizeof(one)))
#ifndef IPV6_FLOWINFO
cm->cmsg_type = IPV6_FLOWINFO;