Function ocl::ffi::clEnqueueWriteBufferRect

pub unsafe extern "system" fn clEnqueueWriteBufferRect(command_queue: *mut c_void,
                                                       buffer: *mut c_void,
                                                       blocking_write: u32,
                                                       buffer_origin: *const usize,
                                                       host_origin: *const usize,
                                                       region: *const usize,
                                                       buffer_row_pitch: usize,
                                                       buffer_slc_pitch: usize,
                                                       host_row_pitch: usize,
                                                       host_slc_pitch: usize,
                                                       ptr: *const c_void,
                                                       num_events_in_wait_list: u32,
                                                       event_wait_list: *const *mut c_void,
                                                       event: *mut *mut c_void)
                                                       -> i32