V_pim6
if (mifp->m6_ifp && V_pim6 && (m->m_flags & M_LOOP) == 0) {
error = sooptcopyout(sopt, &V_pim6, sizeof(V_pim6));
V_pim6 = *i;
V_pim6 = 0;/* used for stubbing out/in pim stuff */
V_pim6 = 0; /* used to stub out/in pim specific code */