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>dev_ioctl</SPAN
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>Name</H2
>dev_ioctl -- network device ioctl
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><CODE
><CODE
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>int <TT
CLASS="FUNCTION"
>dev_ioctl </TT
></CODE
>(unsigned int <TT
CLASS="PARAMETER"
><I
>cmd</I
></TT
>, void * <TT
CLASS="PARAMETER"
><I
>arg</I
></TT
>);</CODE
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>Arguments</H2
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><TT
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><I
>cmd</I
></TT
></DT
><DD
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> command to issue
</P
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><TT
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><I
>arg</I
></TT
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> pointer to a struct ifreq in user space
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><H2
>Description</H2
><P
> Issue ioctl functions to devices. This is normally called by the
user space syscall interfaces but can sometimes be useful for
other purposes. The return value is the return from the syscall if
positive or a negative errno code on error.
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