pub type VipsStartFn = Option<unsafe extern "C" fn(out: *mut VipsImage, a: *mut c_void, b: *mut c_void) -> *mut c_void>;Aliased Type§
enum VipsStartFn {
None,
Some(unsafe extern "C" fn(*mut _VipsImage, *mut c_void, *mut c_void) -> *mut c_void),
}