cpc_unbind
if (cpc_unbind(cpc, this) != 0)
if (cpc_unbind(cpc, this) != 0)
(void) cpc_unbind(cpc, set);
if (cpc_unbind(cpc, set) == 0)
(void) cpc_unbind(cpc, this);
(void) cpc_unbind(cpc, cpc->cpc_sets);
(void) cpc_unbind(cpc, csp);
extern int cpc_unbind(cpc_t *cpc, cpc_set_t *set);