Function enqueue_svm_free 

pub fn enqueue_svm_free(
    command_queue: &WrappedMutablePointer<c_void>,
    num_svm_pointers: cl_uint,
    svm_pointers: WrappedPointer<*const c_void>,
    pfn_free_func: Option<extern "C" fn(queue: cl_command_queue, num_svm_pointers: cl_uint, svm_pointes: *const *const c_void, user_data: *mut c_void)>,
    user_data: WrappedMutablePointer<c_void>,
    num_events_in_wait_list: cl_uint,
    event_wait_list: WrappedPointer<cl_event>,
) -> Result<WrappedMutablePointer<c_void>, OpenCLAPIError>