.. index:: object: memcached_st
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SYNOPSIS
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Compile and link with -lmemcached
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DESCRIPTION
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:func:`memcached_touch_by_key` works the same, but it takes a master key
to find the given value.
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RETURN
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Use :func:`memcached_strerror` to translate this value to a printable
string.
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SEE ALSO
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