Function cuOccupancyMaxPotentialBlockSize 

pub unsafe fn cuOccupancyMaxPotentialBlockSize(
    minGridSize: *mut i32,
    blockSize: *mut i32,
    func: *mut CUfunc_st,
    blockSizeToDynamicSMemSize: Option<unsafe extern "C" fn(i32) -> usize>,
    dynamicSMemSize: usize,
    blockSizeLimit: i32,
) -> cudaError_enum