PIM_REGISTER
if (PIM_VT_T(pim->pim_vt) == PIM_REGISTER && in_cksum(m, PIM_MINLEN) == 0) {
if (PIM_VT_T(pim->pim_vt) == PIM_REGISTER) {
PIM_MAKE_VT(PIM_VERSION, PIM_REGISTER), /* PIM vers and message type */
if (pim->pim_type == PIM_REGISTER)
if (pim->pim_type == PIM_REGISTER) {
case PIM_REGISTER: return "PIM Register ";