adds export parameters to the stack.

adds import parameters to the stack.

adds table parameters to the stack.

allocates stack space.

sends a call request and returns after sending the call request..

makes an RFC call and receives return vaues (it waits until it receives an answer before returning).

opens an RFC connection.

opens an RFC connection.

frees stack space.

gets incoming parameter values when the function is being called.

receives return values from an RFC call.

sends the result parameters back to the caller.

installs a function to be callable as RFC function module for Windows 3.x (16-Bit).