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/* $OpenBSD: extern.h,v 1.6 2002/02/17 19:42:22 millert Exp $ */
/*-
* Copyright (c) 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)extern.h 8.4 (Berkeley) 6/16/94
*/
BUFHEAD *__add_ovflpage(HTAB *, BUFHEAD *);
int __addel(HTAB *, BUFHEAD *, const DBT *, const DBT *);
int __big_delete(HTAB *, BUFHEAD *);
int __big_insert(HTAB *, BUFHEAD *, const DBT *, const DBT *);
int __big_keydata(HTAB *, BUFHEAD *, DBT *, DBT *, int);
int __big_return(HTAB *, BUFHEAD *, int, DBT *, int);
int __big_split(HTAB *, BUFHEAD *, BUFHEAD *, BUFHEAD *,
int, u_int32_t, SPLIT_RETURN *);
int __buf_free(HTAB *, int, int);
void __buf_init(HTAB *, int);
u_int32_t __call_hash(HTAB *, char *, int);
int __delpair(HTAB *, BUFHEAD *, int);
int __expand_table(HTAB *);
int __find_bigpair(HTAB *, BUFHEAD *, int, char *, int);
u_int16_t __find_last_page(HTAB *, BUFHEAD **);
void __free_ovflpage(HTAB *, BUFHEAD *);
BUFHEAD *__get_buf(HTAB *, u_int32_t, BUFHEAD *, int);
int __get_page(HTAB *, char *, u_int32_t, int, int, int);
int __ibitmap(HTAB *, int, int, int);
u_int32_t __log2(u_int32_t);
int __put_page(HTAB *, char *, u_int32_t, int, int);
void __reclaim_buf(HTAB *, BUFHEAD *);
int __split_page(HTAB *, u_int32_t, u_int32_t);
/* Default hash routine. */
extern u_int32_t (*__default_hash)(const void *, size_t);
#ifdef HASH_STATISTICS
extern int hash_accesses, hash_collisions, hash_expansions, hash_overflows;
#endif
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