pub unsafe extern "C" fn cpp_vm_cow_pages_zero_pages_locked(
cow: *mut VmCowPages,
range: VmCowRange,
dirty_track: bool,
deferred: *mut VmCowPages_DeferredOps,
page_request: *mut MultiPageRequest,
out_zeroed_bytes: *mut u64,
) -> zx_status_t