9 The FFI supports almost all fundamental C types, multiple calling conventions, symbolic access to foreign C struct/union data types and wrapping of R functions as C callback function pointers.
10 Dynamic bindings to shared C libraries are data-driven by cross-platform binding specification using a compact plain text format ; an initial repository of bindings to a couple of common C libraries (OpenGL, SDL, Expat, glew, CUDA, OpenCL, ODE, R) comes with the package.