__cpc_eventtoset
extern cpc_set_t *__cpc_eventtoset(cpc_t *cpc, cpc_event_t *event, int flags);
if ((set = __cpc_eventtoset(__cpc, this, flags)) == NULL) {
if ((set = __cpc_eventtoset(__cpc, this, flags)) == NULL) {
if ((set = __cpc_eventtoset(__cpc, event, flags)) == NULL) {