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pfil.9 (89254) pfil.9 (119893)
1.\" Copyright (c) 1996 Matthew R. Green
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.

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19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25.\" SUCH DAMAGE.
26.\"
1.\" Copyright (c) 1996 Matthew R. Green
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\" notice, this list of conditions and the following disclaimer.

--- 10 unchanged lines hidden (view full) ---

19.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25.\" SUCH DAMAGE.
26.\"
27.\" $FreeBSD: head/share/man/man9/pfil.9 89254 2002-01-11 13:18:32Z bde $
27.\" $FreeBSD: head/share/man/man9/pfil.9 119893 2003-09-08 19:57:22Z ru $
28.Dd August 4, 1996
29.Dt PFIL 9
30.Os
31.Sh NAME
32.Nm pfil ,
33.Nm pfil_hook_get ,
34.Nm pfil_add_hook ,
35.Nm pfil_remove_hook

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127.Sh HISTORY
128The
129.Nm
130interface first appeared in
131.Nx 1.3 .
132The
133.Nm
134input and output lists were originally implemented as
28.Dd August 4, 1996
29.Dt PFIL 9
30.Os
31.Sh NAME
32.Nm pfil ,
33.Nm pfil_hook_get ,
34.Nm pfil_add_hook ,
35.Nm pfil_remove_hook

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127.Sh HISTORY
128The
129.Nm
130interface first appeared in
131.Nx 1.3 .
132The
133.Nm
134input and output lists were originally implemented as
135.Aq Pa sys/queue.h
135.In sys/queue.h
136.Dv LIST
137structures;
138however this was changed in
139.Nx 1.4
140to
141.Dv TAILQ
142structures.
143This change was to allow the input and output filters to be

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136.Dv LIST
137structures;
138however this was changed in
139.Nx 1.4
140to
141.Dv TAILQ
142structures.
143This change was to allow the input and output filters to be

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