[issue22524] PEP 471 implementation: os.scandir() directory scanning function

[STINNER Victor]

STINNER Victor added the comment:

> You may want to have the C primitive return results in batches (of e.g. 10 or 100 entries) to limit the overhead, btw.

Ah yes, good idea. I read that internally readdir() also fetchs many
entries in a single syscall (prefetch" / readahead, I don't know how
to call that).

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