825          errread, errwrite) = self._get_handles(stdin, stdout, stderr)
836             if errread != -1:
837                 errread = msvcrt.open_osfhandle(errread.Detach(), 0)
941             if errread != -1:
942                 self.stderr = io.open(errread, 'rb', bufsize)
952                                 errread, errwrite,
1206                         errread, errwrite):  argument
1223                 if errwrite != -1 and errread != -1 and errwrite != devnull_fd:
1245             errread, errwrite = -1, -1
1290                 errread, errwrite = _winapi.CreatePipe(None, 0)
1291                 errread, errwrite = Handle(errread), Handle(errwrite)
1305                     errread, errwrite)
1335                            errread, errwrite,  argument
1433                                      errread, errwrite)
1572             errread, errwrite = -1, -1
1601                 errread, errwrite = os.pipe()
1617                     errread, errwrite)
1623                          errread, errwrite):  argument
1639             for fd in (p2cwrite, c2pread, errread):
1657                                  errread, errwrite)
1664                            errread, errwrite,  argument
1710                                   errread, errwrite)
1757                             errread, errwrite,
1769                                      errread, errwrite)