104     let master = posix_openpt(OFlag::O_RDWR).expect("posix_openpt failed");  in open_ptty_pair()  localVariable
107     grantpt(&master).expect("grantpt failed");  in open_ptty_pair()
108     unlockpt(&master).expect("unlockpt failed");  in open_ptty_pair()
111     let slave_name = unsafe { ptsname(&master) }.expect("ptsname failed");  in open_ptty_pair()
143     (master, slave)  in open_ptty_pair()
153     let (master, slave) = open_ptty_pair();  in test_open_ptty_pair()
154     assert!(master.as_raw_fd() > 0);  in test_open_ptty_pair()
168     let (mut master, mut slave) = open_ptty_pair();  in test_read_ptty_pair()
173     master.read_exact(&mut buf).unwrap();  in test_read_ptty_pair()
176     let mut master = &master;  in test_read_ptty_pair()  localVariable
178     master.read_exact(&mut buf).unwrap();  in test_read_ptty_pair()
185     let (mut master, mut slave) = open_ptty_pair();  in test_write_ptty_pair()
189     master.write_all(b"adios").unwrap();  in test_write_ptty_pair()
193     let mut master = &master;  in test_write_ptty_pair()  localVariable
194     master.write_all(b"adios").unwrap();  in test_write_ptty_pair()
205     assert!(pty.master > 0);  in test_openpty()
211     write(pty.master, string.as_bytes()).unwrap();  in test_openpty()
219     crate::read_exact(pty.master, &mut buf);  in test_openpty()
226     crate::read_exact(pty.master, &mut buf);  in test_openpty()
230     close(pty.master).unwrap();  in test_openpty()
242         assert!(pty.master > 0);  in test_openpty_with_termios()
245         close(pty.master).unwrap();  in test_openpty_with_termios()
254     assert!(pty.master > 0);  in test_openpty_with_termios()
260     write(pty.master, string.as_bytes()).unwrap();  in test_openpty_with_termios()
267     crate::read_exact(pty.master, &mut buf);  in test_openpty_with_termios()
274     crate::read_exact(pty.master, &mut buf);  in test_openpty_with_termios()
278     close(pty.master).unwrap();  in test_openpty_with_termios()
306             crate::read_exact(pty.master, &mut buf);  in test_forkpty()
310             close(pty.master).unwrap();  in test_forkpty()