824          c2pread, c2pwrite,
834             if c2pread != -1:
835                 c2pread = msvcrt.open_osfhandle(c2pread.Detach(), 0)
936             if c2pread != -1:
937                 self.stdout = io.open(c2pread, 'rb', bufsize)
951                                 c2pread, c2pwrite,
1205                         c2pread, c2pwrite,  argument
1221                 if c2pwrite != -1 and c2pread != -1 and c2pwrite != devnull_fd:
1244             c2pread, c2pwrite = -1, -1
1272                 c2pread, c2pwrite = _winapi.CreatePipe(None, 0)
1273                 c2pread, c2pwrite = Handle(c2pread), Handle(c2pwrite)
1304                     c2pread, c2pwrite,
1334                            c2pread, c2pwrite,  argument
1432                                      c2pread, c2pwrite,
1571             c2pread, c2pwrite = -1, -1
1589                 c2pread, c2pwrite = os.pipe()
1616                     c2pread, c2pwrite,
1622                          c2pread, c2pwrite,  argument
1639             for fd in (p2cwrite, c2pread, errread):
1656                                  c2pread, c2pwrite,
1663                            c2pread, c2pwrite,  argument
1709                                   c2pread, c2pwrite,
1756                             p2cread, p2cwrite, c2pread, c2pwrite,
1768                                      c2pread, c2pwrite,