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25 lines
669 B
Plaintext
25 lines
669 B
Plaintext
@node ioctl
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@section @code{ioctl}
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@findex ioctl
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POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/ioctl.html}
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Gnulib module: ioctl
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Portability problems fixed by Gnulib:
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@itemize
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@item
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On Windows platforms (excluding Cygwin), @code{ioctl} is called
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@code{ioctlsocket}, and error codes for this function are not placed in
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@code{errno}, and @code{WSAGetLastError} must be used instead.
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@item
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On glibc platforms, the second parameter is of type @code{unsigned long}
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rather than @code{int}.
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@end itemize
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Portability problems not fixed by Gnulib:
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@itemize
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@item
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Most @code{ioctl} requests are platform and hardware specific.
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@end itemize
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