Name
insque, remque — insert/remove an item from a queue
Synopsis
#include <search.h>
void
insque( |
void * | elem, |
| void * | prev); |
void
remque( |
void * | elem); |
![[Note]](../stylesheet/note.png) |
Note | ||
|---|---|---|---|
|
DESCRIPTION
insque() and remque() are functions for manipulating
doubly-linked lists. Each element in the list is a structure
of which the first two structure elements are a forward and a
backward pointer.
insque() inserts the element
pointed to by elem
immediately after the element pointed to by prev, which must not be
NULL.
remque() removes the element
pointed to by elem
from the doubly-linked list.
NOTES
Traditionally (e.g., SunOS, Linux libc 4,5) the parameters of these functions were of type struct qelem *, where the struct is defined as
struct qelem { struct qelem * q_forw;struct qelem * q_back;char q_data[1];};
This is still what you will get if _GNU_SOURCE is defined before including
<search.h>
The location of the prototypes for these functions differs
among several versions of UNIX. The above is the POSIX
version. Some systems place them in <string.h>
Linux libc4,5 placed them in <stdlib.h>
COLOPHON
This page is part of release 2.79 of the Linux man-pages project. A
description of the project, and information about reporting
bugs, can be found at
http://www.kernel.org/doc/man-pages/.
|
peter memishian -- meemgnu.ai.mit.edu $Id: insque.3,v 1.2 1996/10/30 21:03:39 meem Exp meem $ Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one. Since the Linux kernel and libraries are constantly changing, this manual page may be incorrect or out-of-date. The author(s) assume no responsibility for errors or omissions, or for damages resulting from the use of the information contained herein. The author(s) may not have taken the same level of care in the production of this manual, which is licensed free of charge, as they might when working professionally. Formatted or processed versions of this manual, if unaccompanied by the source, must acknowledge the copyright and authors of this work. References consulted: Linux libc source code (5.4.7) Solaris 2.x, OSF/1, and HP-UX manpages Curry's "UNIX Systems Programming for SVR4" (O'Reilly & Associates 1996) Changed to POSIX, 2003-08-11, aeb+wh |