Function ocl::ffi::clEnqueueSVMUnmap

pub unsafe extern "system" fn clEnqueueSVMUnmap(command_queue: *mut c_void,
                                                svm_ptr: *mut c_void,
                                                num_events_in_wait_list: u32,
                                                event_wait_list: *const *mut c_void,
                                                event: *mut *mut c_void)
                                                -> i32