int EqualRgn( ffi.Pointer<HRGN__> hrgn1, ffi.Pointer<HRGN__> hrgn2, ) { return (_EqualRgn ??= _dylib.lookupFunction<_c_EqualRgn, _dart_EqualRgn>('EqualRgn'))( hrgn1, hrgn2, ); }