pub unsafe extern "C" fn AlphaBlend(
hdcDest: HDC,
xoriginDest: c_int,
yoriginDest: c_int,
wDest: c_int,
hDest: c_int,
hdcSrc: HDC,
xoriginSrc: c_int,
yoriginSrc: c_int,
wSrc: c_int,
hSrc: c_int,
ftn: BLENDFUNCTION,
) -> BOOL