fromInterop
Copies what C wrote at this pointer back into result (a no-op where the array was pinned).
Copies what C wrote at this pointer back into result (a no-op where the array was pinned).
Copies what C wrote at this pointer back into result (a no-op where the array was pinned).
Copies what C wrote at this pointer back into result (a no-op where the array was pinned).