&reftitle.constants; &extension.constants; F_DUPFD (int) F_GETFD (int) F_GETFL (int) F_GETLK (int) F_GETOWN (int) F_RDLCK (int) F_SETFL (int) F_SETLK (int) F_SETLKW (int) F_SETOWN (int) F_UNLCK (int) F_WRLCK (int) O_APPEND (int) O_ASYNC (int) O_CREAT (int) O_EXCL (int) O_NDELAY (int) O_NOCTTY (int) O_NONBLOCK (int) O_RDONLY (int) O_RDWR (int) O_SYNC (int) O_TRUNC (int) O_WRONLY (int) S_IRGRP (int) S_IROTH (int) S_IRUSR (int) S_IRWXG (int) S_IRWXO (int) S_IRWXU (int) S_IWGRP (int) S_IWOTH (int) S_IWUSR (int) S_IXGRP (int) S_IXOTH (int) S_IXUSR (int)