pub unsafe extern "C" fn sqlite3changeset_start_v2_strm(
    pp: *mut *mut sqlite3_changeset_iter,
    xInput: Option<unsafe extern "C" fn(pIn: *mut c_void, pData: *mut c_void, pnData: *mut c_int) -> c_int>,
    pIn: *mut c_void,
    flags: c_int
) -> c_int