dop(category11-mail-server.html) - phpMan
fdopen (3) - stream open functions fdopen (3p) - associate a stream with a file descriptor fdopendir (3) - open a directory fdopendir (3p) - open directory associated with file descriptor posix_spawn_file_actions_addopen (3p) - add open action to spawn file actions... semtimedop (2) - System V semaphore operations