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rc = sqlite3_open(dbfile, &pFile);
if ( rc == SQLITE_OK)
{
pBackup = sqlite3_backup_init(pFile, "main", db, "main");
if (pBackup)
{
do{
rc = sqlite3_backup_step(pBakcup, -1);
}while(rc == SQLITE_OK || rc == SQLITE_BUSY || SQLITE_LOCKED);
sqlite3_backup_finish(pBakcup);
}
rc = sqlite3_errcode(pFile);
}
sqlite3_close(pFile);