typedef struct sqlite3_backup sqlite3_backup;
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().
See Also: Using the SQLite Online Backup API
See also lists of Objects, Constants, and Functions.
SQLite is in the Public Domain.
https://sqlite.org/c3ref/backup.html