freebsd-skq/lib/libcompat/4.3/insque.3

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1994-05-27 05:00:24 +00:00
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.\" @(#)insque.3 8.2 (Berkeley) 12/11/93
.\"
.Dd December 11, 1993
.Dt INSQUE 3
.Os BSD 4.2
.Sh NAME
.Nm insque ,
.Nm remque
.Nd insert/remove element from a queue
.Sh SYNOPSIS
.Bd -literal
struct qelem {
struct qelem *q_forw;
struct qelem *q_back;
char q_data[];
};
.Ed
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.Ft void
.Fn insque "struct qelem *elem" "struct qelem *pred"
.Ft void
.Fn remque "struct qelem *elem"
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.Sh DESCRIPTION
.Bf -symbolic
The insque and remque functions are considered obsolete.
.br
They are available from the compatibility library, libcompat.
.Ef
.Pp
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The
.Fn insque
and
.Fn remque
functions
manipulate queues built from doubly linked lists. Each
element in the queue must be in the form of
.Dq Li struct qelem .
The function
.Fn insque
inserts
.Fa elem
in a queue immediately after
.Fa pred ;
.Fn remque
removes an entry
.Fa elem
from a queue.
.Sh SEE ALSO
.%T "VAX Architecture Handbook" ,
pp. 228-235.
.Sh HISTORY
The
.Fn insque
and
.Fn remque
functions appeared in
.Bx 4.2 .