pthread_create          Creates a thread object and thread.

   pthread_detach          Marks a thread object for deletion.

   pthread_equal           Compares one thread identifier to another
                           thread identifier.

   pthread_exit            Terminates the calling thread.

   pthread_join            Causes the calling thread to wait for the
                           termination of a specified thread and detach
                           it.

   pthread_once            Calls an initialization routine to be
                           executed only once.

   pthread_self            Obtains the identifier of the current thread.