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/* search.h -- declarations for `insque' and `remque'
Copyright (C) 1995 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
/* These functions are provided for compatibility with BSD. */
#ifndef _SEARCH_H
#define _SEARCH_H 1
#include <sys/cdefs.h>
__BEGIN_DECLS
/* Prototype structure for a linked-list data structure.
This is the type used by the `insque' and `remque' functions. */
struct qelem
{
struct qelem *q_forw;
struct qelem *q_back;
char q_data[1];
};
/* Insert ELEM into a doubly-linked list, after PREV. */
extern void insque __P ((struct qelem *__elem, struct qelem *__prev));
/* Unlink ELEM from the doubly-linked list that it is in. */
extern void remque __P ((struct qelem *elem))
__END_DECLS
#endif /* search.h */
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