Tasksfork()PrototypeReturn ValueParametersPossible ErrorsExample__clone()PrototypeReturn ValueParametersPossible ErrorsExampleexec()PrototypeReturn ValueParametersPossible ErrorsExamplesched_yield()PrototypeReturn ValueParametersPossible ErrorsExamplewait(), waitPID()PrototypeReturn ValueParametersPossible ErrorsExampleThreadspthread_create()PrototypeReturn ValueParametersPossible ErrorsExamplepthread_join()PrototypeReturn ValueParametersPossible ErrorsExamplepthread_exit()PrototypeReturn ValueParameterPossible ErrorsExamplepthread_detach()PrototypeReturn ValueParameterPossible ErrorsExampleLockingpthread_mutex_init(), pthread_mutex_destroy()PrototypeReturn ValueParametersPossible Errorspthread_mutex_lock(), pthread_mutex_trylock()PrototypeReturn ValueParameterPossible ErrorsExamplepthread_mutex_unlock()PrototypeReturn ValueParameterPossible ErrorsExampleSignalssignal()PrototypeReturn ValueParametersPossible ErrorExamplesigaction()PrototypeReturn ValueParametersPossible ErrorsExamplesigprocmask()PrototypeReturn ValueParametersPossible ErrorsFiles and So Onbzero(), memset()PrototypeReturn ValueParametersPossible ErrorsExamplefcntl()PrototypeReturn ValueParametersPossible errorsExamplepipe()PrototypeReturn ValueParameterPossible ErrorsExamplepoll()PrototypeReturn ValueParametersPossible ErrorsExampleread()PrototypeReturn ValueParametersPossible ErrorsExampleselect()PrototypeReturn ValueParametersPossible ErrorsExamplewrite()PrototypeReturn ValueParametersPossible ErrorsExampleclose()PrototypeReturn ValueParameterPossible ErrorExample