pthread_condattr_t
int pthread_condattr_destroy(pthread_condattr_t *);
int pthread_condattr_init(pthread_condattr_t *);
const pthread_condattr_t *);
int pthread_condattr_getclock(const pthread_condattr_t *,
int pthread_condattr_setclock(pthread_condattr_t *, clockid_t);
pthread_cond_init(pthread_cond_t *condp, const pthread_condattr_t *attr)
pthread_condattr_init(pthread_condattr_t *attrp)
pthread_condattr_t attr;
pthread_condattr_destroy(pthread_condattr_t *attrp)
pthread_condattr_getclock(const pthread_condattr_t *attr, clockid_t *clock_id)
pthread_condattr_setclock(pthread_condattr_t *attr, clockid_t clock_id)
pthread_cond_init(pthread_cond_t *condp, const pthread_condattr_t *attr)
pthread_condattr_t condattr;