Re: <sys/ioctl.h> status

[Eric Blake]

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According to Simon Josefsson on 10/10/2008 3:01 AM:
> 
> Does the new POSIX document change anything?  I notice that "ioctl.h"
> doesn't result in anything on the current opengroup.org site.

Yes.  It deprecates STREAMS, and renders the use of <stropts.h> obsolete
(it is still documented, but including it is discouraged).

In general, ioctl is too implementation-specific to portably specify,
which is why opengroup.org only documented it under the STREAMS interface
(which was the only use of ioctl where the functionality could be nailed
down portably), but now that POSIX 200x is conceding the fact that no one
uses the STREAMS interface, it effectively goes back into the realm of an
unspecified function.  I would much rather see ioctl in <sys/ioctl.h> than
<stropts.h>, even though POSIX will probably never standardize <sys/ioctl.h>.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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