cpc_open
if ((cpc = cpc_open(CPC_VER_CURRENT)) == NULL) {
if ((cpc = cpc_open(CPC_VER_CURRENT)) == NULL) {
extern cpc_t *cpc_open(int ver);
if (__cpc == NULL && (__cpc = cpc_open(CPC_VER_CURRENT)) == NULL) {