sys types.h status

sys/types.h does not define the following types:

• clock_t
• clockid_t
• id_t
• key_t
• pthread_attr_t
• pthread_barrier_t
• pthread_barrierattr_t
• pthread_cond_t
• pthread_condattr_t
• pthread_key_t
• pthread_mutex_t
• pthread_mutexattr_t
• pthread_once_t
• pthread_rwlock_t
• pthread_rwlockattr_t
• pthread_spinlock_t
• pthread_t
• suseconds_t
• timer_t
• trace_attr_t
• trace_event_id_t
• trace_event_set_t
• trace_id_t