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	#include <fcntl.h>			#include <fcntl.h>
	#include <stddef.h>			#include <stddef.h>
	#include <stdio.h>			#include <stdio.h>

	#include <db.h>			#include <db.h>

	static int __dberr(void);			static int __dberr(void);

				#ifndef O_CLOEXEC
				#define O_CLOEXEC 0
				#endif

	DB *			DB *
	dbopen(const char fname, int flags, int mode, DBTYPE type, const void openinfo)			dbopen(const char fname, int flags, int mode, DBTYPE type, const void openinfo)
	{			{

	#define DB_FLAGS (DB_LOCK \| DB_SHMEM \| DB_TXN)			#define DB_FLAGS (DB_LOCK \| DB_SHMEM \| DB_TXN)
	#define USE_OPEN_FLAGS \			#define USE_OPEN_FLAGS \
	(O_CREAT \| O_EXCL \| O_EXLOCK \| O_NOFOLLOW \| O_NONBLOCK \| \			(O_CREAT \| O_EXCL \| O_EXLOCK \| O_NOFOLLOW \| O_NONBLOCK \| \
	O_RDONLY \| O_RDWR \| O_SHLOCK \| O_SYNC \| O_TRUNC)			O_RDONLY \| O_RDWR \| O_SHLOCK \| O_SYNC \| O_TRUNC \| O_CLOEXEC)

	if ((flags & ~(USE_OPEN_FLAGS \| DB_FLAGS)) == 0)			if ((flags & ~(USE_OPEN_FLAGS \| DB_FLAGS)) == 0)
	switch (type) {			switch (type) {
	case DB_BTREE:			case DB_BTREE:
	return (__bt_open(fname, flags & USE_OPEN_FLAGS,			return (__bt_open(fname, flags & USE_OPEN_FLAGS,
	mode, openinfo, flags & DB_FLAGS));			mode, openinfo, flags & DB_FLAGS));
	case DB_HASH:			case DB_HASH:
	return (__hash_open(fname, flags & USE_OPEN_FLAGS,			return (__hash_open(fname, flags & USE_OPEN_FLAGS,
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