chp_get_status
status = chp_get_status(chpid);
if (chp_get_status(chpid) != 0)
int chp_get_status(struct chp_id chpid);
if (chp_get_status(chpid) <= 0)
status = chp_get_status(chpid);
if (chp_get_status(chpid) != 0) {