在线备份对象
Online Backup Object

typedef struct sqlite3_backup sqlite3_backup;

sqlite3_backup对象记录了一个正在进行的在线备份操作的状态信息。sqlite3_backup对象是由sqlite3_backup_init()调用创建的，通过sqlite3_backup_finish()调用销毁。
The sqlite3_backup object records state information about an ongoing online backup operation. The sqlite3_backup object is created by a call to sqlite3_backup_init() and is destroyed by a call to sqlite3_backup_finish().

参见：使用SQLite在线备份 API
See Also: Using the SQLite Online Backup API

另行参见Objects、Constants和Functions的列表。
See also lists of Objects, Constants, and Functions.