ip_hdr_t
ip_hdr_t *iph;
size = r = sizeof (ip_hdr_t) + nvsize;
iph = (ip_hdr_t *)(uintptr_t)buf;
nvbuf = buf + sizeof (ip_hdr_t);
ip_hdr_t *iph;
if ((iph = ip_xprt_recv(ipx, sizeof (ip_hdr_t))) == NULL)
ip_size = MAX(ip_size, sizeof (ip_hdr_t));