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SubjectRe: [RFC] ioctl(2) return value
> Not only Sun does, Linux does too (e.g. in various networking ioctls).
> I would just fix the man page.

Ach - more ugliness in Linux.
New man page fragment:

Usually, on success zero is returned. A few ioctls use
the return value as an output parameter and return a non­
negative value on success. On error, -1 is returned, and
errno is set appropriately.

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