6574     int master_fd = -1, slave_fd = -1;  in os_openpty_impl()  local
6586     if (openpty(&master_fd, &slave_fd, NULL, NULL, NULL) != 0)  in os_openpty_impl()
6589     if (_Py_set_inheritable(master_fd, 0, NULL) < 0)  in os_openpty_impl()
6595     slave_name = _getpty(&master_fd, O_RDWR, 0666, 0);  in os_openpty_impl()
6598     if (_Py_set_inheritable(master_fd, 0, NULL) < 0)  in os_openpty_impl()
6606     master_fd = open(DEV_PTY_FILE, O_RDWR | O_NOCTTY); /* open master */  in os_openpty_impl()
6607     if (master_fd < 0)  in os_openpty_impl()
6613     if (grantpt(master_fd) < 0) {  in os_openpty_impl()
6619     if (unlockpt(master_fd) < 0) {  in os_openpty_impl()
6626     slave_name = ptsname(master_fd); /* get name of slave */  in os_openpty_impl()
6634     if (_Py_set_inheritable(master_fd, 0, NULL) < 0)  in os_openpty_impl()
6646     return Py_BuildValue("(ii)", master_fd, slave_fd);  in os_openpty_impl()
6651     if (master_fd != -1)  in os_openpty_impl()
6652         close(master_fd);  in os_openpty_impl()
6676     int master_fd = -1;  in os_forkpty_impl()  local
6684     pid = forkpty(&master_fd, NULL, NULL, NULL);  in os_forkpty_impl()
6694     return Py_BuildValue("(Ni)", PyLong_FromPid(pid), master_fd);  in os_forkpty_impl()