OpenCL C FFI Bindings.
Example usage exists within the [ocl-core](https://github.com/cogciprocate/ocl-core) repo (see: https://github.com/cogciprocate/ocl-core/blob/master/src/functions.rs).
The ancient history of this repo can be found within both the [bismit](https://github.com/cogciprocate/bismit) and [ocl](https://github.com/cogciprocate/ocl) repos.