insque.3

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· 3 代码 · 共 41 行

.\" SCCSID: @(#)insque.3	8.2	1/28/91
.TH insque 3
.SH Name
insque, remque \- insert/remove element from a queue
.SH Syntax
.nf
.DT
.B struct qelem {
.B      struct	qelem *q_forw;
.B      struct	qelem *q_back;
.B      char	q_data[];
};
.PP
.B void insque(\fIelem, pred\fP)
struct qelem *\fIelem, *pred\fP;
.PP
.B void remque(\fIelem\fP)
struct qelem *\fIelem\fP;
.fi
.SH Description
.NXR "insque subroutine"
.NXR "remque subroutine"
.NXR "queue" "removing elements"
The
.PN insque
and 
.PN remque
subroutines manipulate queues built from doubly linked lists.  Each
element in the queue must in the form of ``struct qelem.''
The
.PN insque
subroutine inserts 
.I elem
in a queue immediately after 
.IR pred .
The
.PN remque
subroutine removes an entry
.I elem 
from a queue.