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diff --git a/src/sqlite/pager.h b/src/sqlite/pager.h
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+/*
+** 2001 September 15
+**
+** The author disclaims copyright to this source code.  In place of
+** a legal notice, here is a blessing:
+**
+**    May you do good and not evil.
+**    May you find forgiveness for yourself and forgive others.
+**    May you share freely, never taking more than you give.
+**
+*************************************************************************
+** This header file defines the interface that the sqlite page cache
+** subsystem.  The page cache subsystem reads and writes a file a page
+** at a time and provides a journal for rollback.
+**
+** @(#) $Id: pager.h,v 1.1.1.1 2006/02/03 20:35:17 hoganrobert Exp $
+*/
+
+/*
+** The default size of a database page.
+*/
+#ifndef SQLITE_DEFAULT_PAGE_SIZE
+# define SQLITE_DEFAULT_PAGE_SIZE 1024
+#endif
+
+/* Maximum page size.  The upper bound on this value is 32768.  This a limit
+** imposed by necessity of storing the value in a 2-byte unsigned integer
+** and the fact that the page size must be a power of 2.
+**
+** This value is used to initialize certain arrays on the stack at
+** various places in the code.  On embedded machines where stack space
+** is limited and the flexibility of having large pages is not needed,
+** it makes good sense to reduce the maximum page size to something more
+** reasonable, like 1024.
+*/
+#ifndef SQLITE_MAX_PAGE_SIZE
+# define SQLITE_MAX_PAGE_SIZE 8192
+#endif
+
+/*
+** Maximum number of pages in one database.
+*/
+#define SQLITE_MAX_PAGE 1073741823
+
+/*
+** The type used to represent a page number.  The first page in a file
+** is called page 1.  0 is used to represent "not a page".
+*/
+typedef unsigned int Pgno;
+
+/*
+** Each open file is managed by a separate instance of the "Pager" structure.
+*/
+typedef struct Pager Pager;
+
+/*
+** Allowed values for the flags parameter to sqlite3pager_open().
+**
+** NOTE: This values must match the corresponding BTREE_ values in btree.h.
+*/
+#define PAGER_OMIT_JOURNAL  0x0001    /* Do not use a rollback journal */
+#define PAGER_NO_READLOCK   0x0002    /* Omit readlocks on readonly files */
+
+
+/*
+** See source code comments for a detailed description of the following
+** routines:
+*/
+int sqlite3pager_open(Pager **ppPager, const char *zFilename,
+                     int nExtra, int flags);
+void sqlite3pager_set_busyhandler(Pager*, BusyHandler *pBusyHandler);
+void sqlite3pager_set_destructor(Pager*, void(*)(void*,int));
+void sqlite3pager_set_reiniter(Pager*, void(*)(void*,int));
+int sqlite3pager_set_pagesize(Pager*, int);
+void sqlite3pager_read_fileheader(Pager*, int, unsigned char*);
+void sqlite3pager_set_cachesize(Pager*, int);
+int sqlite3pager_close(Pager *pPager);
+int sqlite3pager_get(Pager *pPager, Pgno pgno, void **ppPage);
+void *sqlite3pager_lookup(Pager *pPager, Pgno pgno);
+int sqlite3pager_ref(void*);
+int sqlite3pager_unref(void*);
+Pgno sqlite3pager_pagenumber(void*);
+int sqlite3pager_write(void*);
+int sqlite3pager_iswriteable(void*);
+int sqlite3pager_overwrite(Pager *pPager, Pgno pgno, void*);
+int sqlite3pager_pagecount(Pager*);
+int sqlite3pager_truncate(Pager*,Pgno);
+int sqlite3pager_begin(void*, int exFlag);
+int sqlite3pager_commit(Pager*);
+int sqlite3pager_sync(Pager*,const char *zMaster, Pgno);
+int sqlite3pager_rollback(Pager*);
+int sqlite3pager_isreadonly(Pager*);
+int sqlite3pager_stmt_begin(Pager*);
+int sqlite3pager_stmt_commit(Pager*);
+int sqlite3pager_stmt_rollback(Pager*);
+void sqlite3pager_dont_rollback(void*);
+void sqlite3pager_dont_write(Pager*, Pgno);
+int *sqlite3pager_stats(Pager*);
+void sqlite3pager_set_safety_level(Pager*,int);
+const char *sqlite3pager_filename(Pager*);
+const char *sqlite3pager_dirname(Pager*);
+const char *sqlite3pager_journalname(Pager*);
+int sqlite3pager_rename(Pager*, const char *zNewName);
+void sqlite3pager_set_codec(Pager*,void(*)(void*,void*,Pgno,int),void*);
+int sqlite3pager_movepage(Pager*,void*,Pgno);
+int sqlite3pager_reset(Pager*);
+
+#if defined(SQLITE_DEBUG) || defined(SQLITE_TEST)
+int sqlite3pager_lockstate(Pager*);
+#endif
+
+#ifdef SQLITE_TEST
+void sqlite3pager_refdump(Pager*);
+int pager3_refinfo_enable;
+#endif