The trick is to write a managed wrapper that takes care of the housekeeping with AutoCloseable / IDisposable, exception flow control, etc. Careful use of array

The trick is to write a managed wrapper that takes care of the housekeeping with AutoCloseable / IDisposable, exception flow control, etc. Careful use of arrays, nonboxed types, and statics instead of beating up the heap space... it can be tedious but someone's got to do the dirty work.