1.\" Copyright (c) 1993
2.\" The Regents of the University of California. 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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25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" @(#)queue.3 8.2 (Berkeley) 1/24/94
33.\" $FreeBSD: head/share/man/man3/queue.3 130848 2004-06-21 14:54:43Z mpp $
34.\"
35.Dd January 24, 1994
36.Dt QUEUE 3
37.Os
38.Sh NAME
39.Nm SLIST_EMPTY ,
40.Nm SLIST_ENTRY ,
41.Nm SLIST_FIRST ,
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854traverse the list referenced by
855.Fa head
856in the forward or reverse direction respectively,
857assigning each element in turn to
858.Fa var .
859However, unlike their unsafe counterparts,
860.Nm TAILQ_FOREACH
861and
862.Nm TAILQ_FOREACH_REVERSE
863permit to both remove
864.Fa var
865as well as free it from within the loop safely without interfering with the
866traversal.
867.Pp
868The macro
869.Nm TAILQ_INIT
870initializes the tail queue referenced by
--- 108 unchanged lines hidden ---
2.\" The Regents of the University of California. 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.
--- 16 unchanged lines hidden (view full) ---
25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
32.\" @(#)queue.3 8.2 (Berkeley) 1/24/94
33.\" $FreeBSD: head/share/man/man3/queue.3 130848 2004-06-21 14:54:43Z mpp $
34.\"
35.Dd January 24, 1994
36.Dt QUEUE 3
37.Os
38.Sh NAME
39.Nm SLIST_EMPTY ,
40.Nm SLIST_ENTRY ,
41.Nm SLIST_FIRST ,
--- 812 unchanged lines hidden (view full) ---
854traverse the list referenced by
855.Fa head
856in the forward or reverse direction respectively,
857assigning each element in turn to
858.Fa var .
859However, unlike their unsafe counterparts,
860.Nm TAILQ_FOREACH
861and
862.Nm TAILQ_FOREACH_REVERSE
863permit to both remove
864.Fa var
865as well as free it from within the loop safely without interfering with the
866traversal.
867.Pp
868The macro
869.Nm TAILQ_INIT
870initializes the tail queue referenced by
--- 108 unchanged lines hidden ---