SQLite

  ** Added for 3.6.0
  */
  sqlite3_extended_result_codes,
  sqlite3_limit,
  sqlite3_next_stmt,
  sqlite3_sql,
  sqlite3_status,

  /*
  ** Added for 3.7.4
  */
  sqlite3_backup_finish,
  sqlite3_backup_init,
  sqlite3_backup_pagecount,
  sqlite3_backup_remaining,
  sqlite3_backup_step,
  sqlite3_compileoption_get,
  sqlite3_compileoption_used,
  sqlite3_create_function_v2,
  sqlite3_db_config,
  sqlite3_db_mutex,
  sqlite3_db_status,
  sqlite3_extended_errcode,
  sqlite3_log,
  sqlite3_soft_heap_limit64,
  sqlite3_sourceid,
  sqlite3_stmt_status,
  sqlite3_strnicmp,
  sqlite3_unlock_notify,
  sqlite3_wal_autocheckpoint,
  sqlite3_wal_checkpoint,
  sqlite3_wal_hook,
};

/*
** Attempt to load an SQLite extension library contained in the file
** zFile.  The entry point is zProc.  zProc may be 0 in which case a
** default entry point name (sqlite3_extension_init) is used.  Use
** of the default name is recommended.

  void (*randomness)(int,void*);
  sqlite3 *(*context_db_handle)(sqlite3_context*);
  int (*extended_result_codes)(sqlite3*,int);
  int (*limit)(sqlite3*,int,int);
  sqlite3_stmt *(*next_stmt)(sqlite3*,sqlite3_stmt*);
  const char *(*sql)(sqlite3_stmt*);
  int (*status)(int,int*,int*,int);
  int (*backup_finish)(sqlite3_backup*);
  sqlite3_backup *(*backup_init)(sqlite3*,const char*,sqlite3*,const char*);
  int (*backup_pagecount)(sqlite3_backup*);
  int (*backup_remaining)(sqlite3_backup*);
  int (*backup_step)(sqlite3_backup*,int);
  const char *(*compileoption_get)(int);
  int (*compileoption_used)(const char*);
  int (*create_function_v2)(sqlite3*,const char*,int,int,void*,void (*xFunc)(sqlite3_context*,int,sqlite3_value**),void (*xStep)(sqlite3_context*,int,sqlite3_value**),void (*xFinal)(sqlite3_context*),void(*xDestroy)(void*));
  int (*db_config)(sqlite3*,int,...);
  sqlite3_mutex *(*db_mutex)(sqlite3*);
  int (*db_status)(sqlite3*,int,int*,int*,int);
  int (*extended_errcode)(sqlite3*);
  void (*log)(int,const char*,...);
  sqlite3_int64 (*soft_heap_limit64)(sqlite3_int64);
  const char *(*sourceid)(void);
  int (*stmt_status)(sqlite3_stmt*,int,int);
  int (*strnicmp)(const char*,const char*,int);
  int (*unlock_notify)(sqlite3*,void(*)(void**,int),void*);
  int (*wal_autocheckpoint)(sqlite3*,int);
  int (*wal_checkpoint)(sqlite3*,const char*);
  void *(*wal_hook)(sqlite3*,int(*)(void*,sqlite3*,const char*,int),void*);
};

/*
** The following macros redefine the API routines so that they are
** redirected throught the global sqlite3_api structure.
**
** This header file is also used by the loadext.c source file

#define sqlite3_randomness             sqlite3_api->randomness
#define sqlite3_context_db_handle      sqlite3_api->context_db_handle
#define sqlite3_extended_result_codes  sqlite3_api->extended_result_codes
#define sqlite3_limit                  sqlite3_api->limit
#define sqlite3_next_stmt              sqlite3_api->next_stmt
#define sqlite3_sql                    sqlite3_api->sql
#define sqlite3_status                 sqlite3_api->status
#define sqlite3_backup_finish          sqlite3_api->backup_finish
#define sqlite3_backup_init            sqlite3_api->backup_init
#define sqlite3_backup_pagecount       sqlite3_api->backup_pagecount
#define sqlite3_backup_remaining       sqlite3_api->backup_remaining
#define sqlite3_backup_step            sqlite3_api->backup_step
#define sqlite3_compileoption_get      sqlite3_api->compileoption_get
#define sqlite3_compileoption_used     sqlite3_api->compileoption_used
#define sqlite3_create_function_v2     sqlite3_api->create_function_v2
#define sqlite3_db_config              sqlite3_api->db_config
#define sqlite3_db_mutex               sqlite3_api->db_mutex
#define sqlite3_db_status              sqlite3_api->db_status
#define sqlite3_extended_errcode       sqlite3_api->extended_errcode
#define sqlite3_log                    sqlite3_api->log
#define sqlite3_soft_heap_limit64      sqlite3_api->soft_heap_limit64
#define sqlite3_sourceid               sqlite3_api->sourceid
#define sqlite3_stmt_status            sqlite3_api->stmt_status
#define sqlite3_strnicmp               sqlite3_api->strnicmp
#define sqlite3_unlock_notify          sqlite3_api->unlock_notify
#define sqlite3_wal_autocheckpoint     sqlite3_api->wal_autocheckpoint
#define sqlite3_wal_checkpoint         sqlite3_api->wal_checkpoint
#define sqlite3_wal_hook               sqlite3_api->wal_hook
#endif /* SQLITE_CORE */

#define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api = 0;
#define SQLITE_EXTENSION_INIT2(v)  sqlite3_api = v;

#endif /* _SQLITE3EXT_H_ */