5939     int master_fd = -1, slave_fd = -1;  in os_openpty_impl()  local
5951     if (openpty(&master_fd, &slave_fd, NULL, NULL, NULL) != 0)  in os_openpty_impl()
5954     if (_Py_set_inheritable(master_fd, 0, NULL) < 0)  in os_openpty_impl()
5960     slave_name = _getpty(&master_fd, O_RDWR, 0666, 0);  in os_openpty_impl()
5963     if (_Py_set_inheritable(master_fd, 0, NULL) < 0)  in os_openpty_impl()
5971     master_fd = open(DEV_PTY_FILE, O_RDWR | O_NOCTTY); /* open master */  in os_openpty_impl()
5972     if (master_fd < 0)  in os_openpty_impl()
5978     if (grantpt(master_fd) < 0) {  in os_openpty_impl()
5984     if (unlockpt(master_fd) < 0) {  in os_openpty_impl()
5991     slave_name = ptsname(master_fd); /* get name of slave */  in os_openpty_impl()
5999     if (_Py_set_inheritable(master_fd, 0, NULL) < 0)  in os_openpty_impl()
6011     return Py_BuildValue("(ii)", master_fd, slave_fd);  in os_openpty_impl()
6016     if (master_fd != -1)  in os_openpty_impl()
6017         close(master_fd);  in os_openpty_impl()
6041     int master_fd = -1;  in os_forkpty_impl()  local
6045     pid = forkpty(&master_fd, NULL, NULL, NULL);  in os_forkpty_impl()
6055     return Py_BuildValue("(Ni)", PyLong_FromPid(pid), master_fd);  in os_forkpty_impl()