576 _PyVerify_fd(int fd)  in _PyVerify_fd()  function
616     if (!_PyVerify_fd(fd1))  in _PyVerify_fd_dup2()
866     if (!_PyVerify_fd(fd))  in posix_fildes()
6656     if (!_PyVerify_fd(fd))  in posix_close_()
6680         if (_PyVerify_fd(i))  in posix_closerange()
6697     if (!_PyVerify_fd(fd))  in posix_dup()
6765     if (!_PyVerify_fd(fd))  in posix_lseek()
6803     if (!_PyVerify_fd(fd)) {  in posix_read()
6833     if (!_PyVerify_fd(fd)) {  in posix_write()
6870     if (!_PyVerify_fd(fd))  in posix_fstat()
6914     if (!_PyVerify_fd(fd)) {  in posix_fdopen()
6984     if (!_PyVerify_fd(fd))  in posix_isatty()