tmp/tmpdu1s7_ov/{from.md → to.md}
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#### Is fifo <a id="fs.op.is.fifo">[[fs.op.is.fifo]]</a>
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``` cpp
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bool is_fifo(file_status s) noexcept;
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```
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*Returns:* `s.type() == file_type::fifo`.
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``` cpp
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bool is_fifo(const path& p);
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bool is_fifo(const path& p, error_code& ec) noexcept;
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```
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*Returns:* `is_fifo(status(p))` or `is_fifo(status(p, ec))`,
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respectively. The signature with argument `ec` returns `false` if an
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error occurs.
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*Throws:* As specified in [[fs.err.report]].
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