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[3.13] gh-117291: Explain usage of null bytes in Array(c_char).value (GH-117292) (GH-150651)

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(cherry picked from commit 73d8e9a47c)

Co-authored-by: Patrick Rauscher <prauscher@prauscher.de>
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Miss Islington (bot)
2026-05-31 09:27:33 +02:00
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Doc/library/multiprocessing.rst
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@@ -1644,7 +1644,10 @@ inherited by child processes.
Note that *lock* is a keyword only argument.
Note that an array of :data:`ctypes.c_char` has *value* and *raw*
attributes which allow one to use it to store and retrieve strings.
attributes which can both be used to store and retrieve byte strings.
While *raw* allows interaction with a :class:`bytes` object the full size of
the array, reading *value* will terminate after a null byte, like most
programming languages handle strings.
The :mod:`multiprocessing.sharedctypes` module