cpc_strtoset
extern cpc_set_t *cpc_strtoset(cpc_t *cpc, const char *spec, int smt);
if ((set = cpc_strtoset(sgrp->cpc, spec, sgrp->smt)) == NULL) {
if ((newa[i].set = cpc_strtoset(old->cpc, old->sets[i].name,