/*** 2006 June 7**** 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 SQLite interface for use by** shared libraries that want to be imported as extensions into** an SQLite instance.  Shared libraries that intend to be loaded** as extensions by SQLite should #include this file instead of ** sqlite3.h.**** @(#) $Id: sqlite3ext.h,v 1.21 2008/03/19 21:45:51 drh Exp $*/#ifndef _SQLITE3EXT_H_#define _SQLITE3EXT_H_#include "sqlite3.h"typedef struct sqlite3_api_routines sqlite3_api_routines;/*** The following structure holds pointers to all of the SQLite API** routines.**** WARNING:  In order to maintain backwards compatibility, add new** interfaces to the end of this structure only.  If you insert new** interfaces in the middle of this structure, then older different** versions of SQLite will not be able to load each others' shared** libraries!*/struct sqlite3_api_routines {  void * (*aggregate_context)(sqlite3_context*,int nBytes);  int  (*aggregate_count)(sqlite3_context*);  int  (*bind_blob)(sqlite3_stmt*,int,const void*,int n,void(*)(void*));  int  (*bind_double)(sqlite3_stmt*,int,double);  int  (*bind_int)(sqlite3_stmt*,int,int);  int  (*bind_int64)(sqlite3_stmt*,int,sqlite_int64);  int  (*bind_null)(sqlite3_stmt*,int);  int  (*bind_parameter_count)(sqlite3_stmt*);  int  (*bind_parameter_index)(sqlite3_stmt*,const char*zName);  const char * (*bind_parameter_name)(sqlite3_stmt*,int);  int  (*bind_text)(sqlite3_stmt*,int,const char*,int n,void(*)(void*));  int  (*bind_text16)(sqlite3_stmt*,int,const void*,int,void(*)(void*));  int  (*bind_value)(sqlite3_stmt*,int,const sqlite3_value*);  int  (*busy_handler)(sqlite3*,int(*)(void*,int),void*);  int  (*busy_timeout)(sqlite3*,int ms);  int  (*changes)(sqlite3*);  int  (*close)(sqlite3*);  int  (*collation_needed)(sqlite3*,void*,void(*)(void*,sqlite3*,int eTextRep,const char*));  int  (*collation_needed16)(sqlite3*,void*,void(*)(void*,sqlite3*,int eTextRep,const void*));  const void * (*column_blob)(sqlite3_stmt*,int iCol);  int  (*column_bytes)(sqlite3_stmt*,int iCol);  int  (*column_bytes16)(sqlite3_stmt*,int iCol);  int  (*column_count)(sqlite3_stmt*pStmt);  const char * (*column_database_name)(sqlite3_stmt*,int);  const void * (*column_database_name16)(sqlite3_stmt*,int);  const char * (*column_decltype)(sqlite3_stmt*,int i);  const void * (*column_decltype16)(sqlite3_stmt*,int);  double  (*column_double)(sqlite3_stmt*,int iCol);  int  (*column_int)(sqlite3_stmt*,int iCol);  sqlite_int64  (*column_int64)(sqlite3_stmt*,int iCol);  const char * (*column_name)(sqlite3_stmt*,int);  const void * (*column_name16)(sqlite3_stmt*,int);  const char * (*column_origin_name)(sqlite3_stmt*,int);  const void * (*column_origin_name16)(sqlite3_stmt*,int);  const char * (*column_table_name)(sqlite3_stmt*,int);  const void * (*column_table_name16)(sqlite3_stmt*,int);  const unsigned char * (*column_text)(sqlite3_stmt*,int iCol);  const void * (*column_text16)(sqlite3_stmt*,int iCol);  int  (*column_type)(sqlite3_stmt*,int iCol);  sqlite3_value* (*column_value)(sqlite3_stmt*,int iCol);  void * (*commit_hook)(sqlite3*,int(*)(void*),void*);  int  (*complete)(const char*sql);  int  (*complete16)(const void*sql);  int  (*create_collation)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*));  int  (*create_collation16)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*));  int  (*create_function)(sqlite3*,const char*,int,int,void*,void (*xFunc)(sqlite3_context*,int,sqlite3_value**),void (*xStep)(sqlite3_context*,int,sqlite3_value**),void (*xFinal)(sqlite3_context*));  int  (*create_function16)(sqlite3*,const void*,int,int,void*,void (*xFunc)(sqlite3_context*,int,sqlite3_value**),void (*xStep)(sqlite3_context*,int,sqlite3_value**),void (*xFinal)(sqlite3_context*));  int (*create_module)(sqlite3*,const char*,const sqlite3_module*,void*);  int  (*data_count)(sqlite3_stmt*pStmt);  sqlite3 * (*db_handle)(sqlite3_stmt*);  int (*declare_vtab)(sqlite3*,const char*);  int  (*enable_shared_cache)(int);  int  (*errcode)(sqlite3*db);  const char * (*errmsg)(sqlite3*);  const void * (*errmsg16)(sqlite3*);  int  (*exec)(sqlite3*,const char*,sqlite3_callback,void*,char**);  int  (*expired)(sqlite3_stmt*);  int  (*finalize)(sqlite3_stmt*pStmt);  void  (*free)(void*);  void  (*free_table)(char**result);  int  (*get_autocommit)(sqlite3*);  void * (*get_auxdata)(sqlite3_context*,int);  int  (*get_table)(sqlite3*,const char*,char***,int*,int*,char**);  int  (*global_recover)(void);  void  (*interruptx)(sqlite3*);  sqlite_int64  (*last_insert_rowid)(sqlite3*);  const char * (*libversion)(void);  int  (*libversion_number)(void);  void *(*malloc)(int);  char * (*mprintf)(const char*,...);  int  (*open)(const char*,sqlite3**);  int  (*open16)(const void*,sqlite3**);  int  (*prepare)(sqlite3*,const char*,int,sqlite3_stmt**,const char**);  int  (*prepare16)(sqlite3*,const void*,int,sqlite3_stmt**,const void**);  void * (*profile)(sqlite3*,void(*)(void*,const char*,sqlite_uint64),void*);  void  (*progress_handler)(sqlite3*,int,int(*)(void*),void*);  void *(*realloc)(void*,int);  int  (*reset)(sqlite3_stmt*pStmt);  void  (*result_blob)(sqlite3_context*,const void*,int,void(*)(void*));  void  (*result_double)(sqlite3_context*,double);  void  (*result_error)(sqlite3_context*,const char*,int);  void  (*result_error16)(sqlite3_context*,const void*,int);  void  (*result_int)(sqlite3_context*,int);  void  (*result_int64)(sqlite3_context*,sqlite_int64);  void  (*result_null)(sqlite3_context*);  void  (*result_text)(sqlite3_context*,const char*,int,void(*)(void*));  void  (*result_text16)(sqlite3_context*,const void*,int,void(*)(void*));  void  (*result_text16be)(sqlite3_context*,const void*,int,void(*)(void*));  void  (*result_text16le)(sqlite3_context*,const void*,int,void(*)(void*));  void  (*result_value)(sqlite3_context*,sqlite3_value*);  void * (*rollback_hook)(sqlite3*,void(*)(void*),void*);  int  (*set_authorizer)(sqlite3*,int(*)(void*,int,const char*,const char*,const char*,const char*),void*);  void  (*set_auxdata)(sqlite3_context*,int,void*,void (*)(void*));  char * (*snprintf)(int,char*,const char*,...);  int  (*step)(sqlite3_stmt*);  int  (*table_column_metadata)(sqlite3*,const char*,const char*,const char*,char const**,char const**,int*,int*,int*);  void  (*thread_cleanup)(void);  int  (*total_changes)(sqlite3*);  void * (*trace)(sqlite3*,void(*xTrace)(void*,const char*),void*);  int  (*transfer_bindings)(sqlite3_stmt*,sqlite3_stmt*);  void * (*update_hook)(sqlite3*,void(*)(void*,int ,char const*,char const*,sqlite_int64),void*);  void * (*user_data)(sqlite3_context*);  const void * (*value_blob)(sqlite3_value*);  int  (*value_bytes)(sqlite3_value*);  int  (*value_bytes16)(sqlite3_value*);  double  (*value_double)(sqlite3_value*);  int  (*value_int)(sqlite3_value*);  sqlite_int64  (*value_int64)(sqlite3_value*);  int  (*value_numeric_type)(sqlite3_value*);  const unsigned char * (*value_text)(sqlite3_value*);  const void * (*value_text16)(sqlite3_value*);  const void * (*value_text16be)(sqlite3_value*);  const void * (*value_text16le)(sqlite3_value*);  int  (*value_type)(sqlite3_value*);  char *(*vmprintf)(const char*,va_list);  /* Added ??? */  int (*overload_function)(sqlite3*, const char *zFuncName, int nArg);  /* Added by 3.3.13 */  int (*prepare_v2)(sqlite3*,const char*,int,sqlite3_stmt**,const char**);  int (*prepare16_v2)(sqlite3*,const void*,int,sqlite3_stmt**,const void**);  int (*clear_bindings)(sqlite3_stmt*);  /* Added by 3.4.1 */  int (*create_module_v2)(sqlite3*,const char*,const sqlite3_module*,void*,void (*xDestroy)(void *));  /* Added by 3.5.0 */  int (*bind_zeroblob)(sqlite3_stmt*,int,int);  int (*blob_bytes)(sqlite3_blob*);  int (*blob_close)(sqlite3_blob*);  int (*blob_open)(sqlite3*,const char*,const char*,const char*,sqlite3_int64,int,sqlite3_blob**);  int (*blob_read)(sqlite3_blob*,void*,int,int);  int (*blob_write)(sqlite3_blob*,const void*,int,int);  int (*create_collation_v2)(sqlite3*,const char*,int,void*,int(*)(void*,int,const void*,int,const void*),void(*)(void*));  int (*file_control)(sqlite3*,const char*,int,void*);  sqlite3_int64 (*memory_highwater)(int);  sqlite3_int64 (*memory_used)(void);  sqlite3_mutex *(*mutex_alloc)(int);  void (*mutex_enter)(sqlite3_mutex*);  void (*mutex_free)(sqlite3_mutex*);  void (*mutex_leave)(sqlite3_mutex*);  int (*mutex_try)(sqlite3_mutex*);  int (*open_v2)(const char*,sqlite3**,int,const char*);  int (*release_memory)(int);  void (*result_error_nomem)(sqlite3_context*);  void (*result_error_toobig)(sqlite3_context*);  int (*sleep)(int);  void (*soft_heap_limit)(int);  sqlite3_vfs *(*vfs_find)(const char*);