Function libsql_sys::wal_hook::xCheckpoint

pub extern "C" fn xCheckpoint<T: WalHook>(
    wal: *mut libsql_wal,
    db: *mut sqlite3,
    emode: c_int,
    busy_handler: Option<unsafe extern "C" fn(busy_param: *mut c_void) -> c_int>,
    busy_arg: *mut c_void,
    sync_flags: c_int,
    n_buf: c_int,
    z_buf: *mut u8,
    frames_in_wal: *mut c_int,
    backfilled_frames: *mut c_int
) -> i32