HelenOS sources

IP6_NEXT_FRAGMENT  273 uspace/srv/net/inetsrv/pdu.c 		hdr6->next = IP6_NEXT_FRAGMENT;
IP6_NEXT_FRAGMENT  421 uspace/srv/net/inetsrv/pdu.c 	if (hdr6->next == IP6_NEXT_FRAGMENT) {
HelenOS homepage, sources at GitHub