Function ocl::ffi::clEnqueueCopyBufferRect

pub unsafe extern "system" fn clEnqueueCopyBufferRect(command_queue: *mut c_void,
                                                      src_buffer: *mut c_void,
                                                      dst_buffer: *mut c_void,
                                                      src_origin: *const usize,
                                                      dst_origin: *const usize,
                                                      region: *const usize,
                                                      src_row_pitch: usize,
                                                      src_slc_pitch: usize,
                                                      dst_row_pitch: usize,
                                                      dst_slc_pitch: usize,
                                                      num_events_in_wait_list: u32,
                                                      event_wait_list: *const *mut c_void,
                                                      event: *mut *mut c_void)
                                                      -> i32