an actual function.

"oops" while rearranging the #defines.

Many lack readdir64, use readdir.  Only use readdir64 on solaris where
it is required to work around a solaris bug.

suboptimal by closing all possible file descriptors rather than just
the open ones in the child process before exec().

It now closes only the open fds when it is possible to safely determine what
those are.

Issue #12922: fix the TextIOBase documentation to include a description of seek() and tell() methods.

(this was easier than I thought!)

And yet another emergency fix for #13803 bootstrap issue: Under Solaris, distutils doesn't include bitness in the directory name

Yet another emergency fix for #13803 bootstrap issue: Under Solaris, distutils doesn't include bitness in the directory name

Emergency fix for #13803 bootstrap issue: Under Solaris, distutils doesn't include bitness in the directory name

(prelude to issue #6531).

Patch by Oleg Plakhotnyuk.

changes).