...s are present: fattach () fdetach () getmsg () getpmsg () ioctl () isastream () putmsg () putpmsg () XSI - _XOPEN_LEGACY - _SC_XOPEN_LEGACY Functions included in the legacy opti…...pthread_cond_timedwait() pthread_cond_wait() pthread_join() pthread_testcancel() putmsg() putpmsg() pwrite() read() readv() recv() recvfrom() recvmsg() select() sem_timedwait() …