31 Input/output library [input.output]

31.12 File systems [filesystems]

31.12.13 Filesystem operation functions [fs.op.funcs]

31.12.13.18 Is character file [fs.op.is.char.file]

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bool filesystem::is_character_file(file_status s) noexcept;
1
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Returns: s.type() == file_type​::​character.
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bool filesystem::is_character_file(const path& p); bool filesystem::is_character_file(const path& p, error_code& ec) noexcept;
2
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Returns: is_character_file(status(p)) or is_character_file(status(p, ec)), respectively.

The signature with argument ec returns false if an error occurs.
3
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Throws: As specified in [fs.err.report].