[pypy-issue] [issue1397] file stream behavior differences from cpython

[Fijal]

Fijal <fijall at gmail.com> added the comment:

The python docs don't state it prominently, but C docs very clearly state you 
should *never* use a combination of fread and read on the same fd. Most notably 
the behavior will differ between platforms, since the caching strategy depends on 
the libc.

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