Function ocl::ffi::clEnqueueMapImage

pub unsafe extern "system" fn clEnqueueMapImage(command_queue: *mut c_void,
                                                image: *mut c_void,
                                                blocking_map: u32,
                                                map_flags: u64,
                                                origin: *const usize,
                                                region: *const usize,
                                                image_row_pitch: usize,
                                                image_slc_pitch: usize,
                                                num_events_in_wait_list: u32,
                                                event_wait_list: *const *mut c_void,
                                                event: *mut *mut c_void,
                                                errorcode_ret: *mut i32)
                                                -> *mut c_void