Function EngTransparentBlt
pub unsafe fn EngTransparentBlt(
psodst: *const SURFOBJ,
psosrc: *const SURFOBJ,
pco: Option<*const CLIPOBJ>,
pxlo: Option<*const XLATEOBJ>,
prcldst: *const RECTL,
prclsrc: *const RECTL,
transcolor: u32,
bcalledfrombitblt: u32,
) -> BOOL