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_XOPEN_SOURCE=500 also gets fchdir() prototype.
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@ -113,8 +113,10 @@ The current working directory is left unchanged by
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The prototype for
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.BR fchdir ()
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is only available if
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.B _BSD_SOURCE
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is defined.
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.B _BSD_SOURCE
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is defined, or
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.B _XOPEN_SOURCE
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is defined with the value 500.
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.SH "CONFORMING TO"
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SVr4, 4.4BSD, POSIX.1-2001.
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.SH "SEE ALSO"
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