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.TH INSQUE 3 "18 July 1983"
.UC 4
.SH NAME
insque, remque \- insert/remove element from a queue
.SH SYNOPSIS
.nf
.DT
.ft B
struct qelem {
	struct	qelem *q_forw;
	struct	qelem *q_back;
	char	q_data[];
};
.PP
.ft B
insque(elem, pred)
struct qelem *elem, *pred;
.PP
.ft B
remque(elem)
struct qelem *elem;
.ft R
.SH DESCRIPTION
.I Insque
and 
.I remque
manipulate queues built from doubly linked lists.  Each
element in the queue must in the form of ``struct qelem''.
.I Insque
inserts 
.I elem
in a queue imediately after 
.IR pred ;
.I remque
removes an entry
.I elem 
from a queue.

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