pub type clCommandNDRangeKernelKHR_fn = Option<unsafe extern "C" fn(command_buffer: cl_command_buffer_khr, command_queue: cl_command_queue, properties: *const cl_ndrange_kernel_command_properties_khr, kernel: cl_kernel, work_dim: cl_uint, global_work_offset: *const size_t, global_work_size: *const size_t, local_work_size: *const size_t, num_sync_points_in_wait_list: cl_uint, sync_point_wait_list: *const cl_sync_point_khr, sync_point: *mut cl_sync_point_khr, mutable_handle: *mut cl_mutable_command_khr) -> cl_int>;
