pub unsafe extern "C" fn cpp_vm_address_region_subregions_find_region(
vmar: *const VmAddressRegion,
addr: vaddr_t,
) -> *mut VmAddressRegionOrMappingpub unsafe extern "C" fn cpp_vm_address_region_subregions_find_region(
vmar: *const VmAddressRegion,
addr: vaddr_t,
) -> *mut VmAddressRegionOrMapping