MH_ALIGN
MH_ALIGN(mh, sizeof(union ipdu_u));
MH_ALIGN(mh, sizeof(int));
MH_ALIGN(m, len);
MH_ALIGN(n, 0);
MH_ALIGN(n, remain);
MH_ALIGN(m, resid);
MH_ALIGN(m, len);
MH_ALIGN(m, len);
MH_ALIGN(m0, 5); /* (max 5 header octets) */
MH_ALIGN(m, m->m_len);
MH_ALIGN(m, IGMP_MINLEN + sizeof(struct ip));
MH_ALIGN(m, m->m_len);
MH_ALIGN(m, m->m_len);
MH_ALIGN(m, m->m_len);
MH_ALIGN(m, hdrlen);
MH_ALIGN(mh, sizeof(struct ip6_hdr));
MH_ALIGN(mh, sizeof(struct ip6_hdr));
MH_ALIGN(m, len);
MH_ALIGN(info.mb, dsiz);
MH_ALIGN(info.mb, 8 * NFSX_UNSIGNED);