PRIQ_NULLCLASS_HANDLE
last[i].class_handle = PRIQ_NULLCLASS_HANDLE;
if (sp->class_handle == PRIQ_NULLCLASS_HANDLE)
if (lp->class_handle != PRIQ_NULLCLASS_HANDLE) {
clinfo->handle = PRIQ_NULLCLASS_HANDLE;
if (clinfo->handle == PRIQ_NULLCLASS_HANDLE)