Function fna3d_sys::FNA3D_SwapBuffers

pub unsafe extern "C" fn FNA3D_SwapBuffers(
    device: *mut FNA3D_Device, 
    sourceRectangle: *mut FNA3D_Rect, 
    destinationRectangle: *mut FNA3D_Rect, 
    overrideWindowHandle: *mut c_void
)