If user buffers do not match kernel buffers our kernel returns EINVAL,
not EIO.
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.\" -*- nroff -*-
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.\"
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.\" $NetBSD: bpf.4,v 1.37 2006/02/04 02:20:32 rpaulo Exp $
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.\" $NetBSD: bpf.4,v 1.38 2006/08/04 23:22:30 martin Exp $
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.\"
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.\" Copyright (c) 1990, 1991, 1992, 1993, 1994
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.\" The Regents of the University of California. All rights reserved.
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@ -118,7 +118,7 @@ with
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.Dv BIOCSETIF .
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If the requested buffer size cannot be accommodated, the closest
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allowable size will be set and returned in the argument.
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A read call will result in EIO if it is passed a buffer that is not this size.
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A read call will result in EINVAL if it is passed a buffer that is not this size.
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.It Dv BIOCGDLT (u_int)
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Returns the type of the data link layer underlying the attached interface.
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.Er EINVAL
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