objc2_io_surface

Function IOSurfaceCopyValue

Source 
pub extern "C-unwind" fn IOSurfaceCopyValue(
    buffer: &IOSurfaceRef,
    key: &CFString,
) -> Option<CFRetained<CFType>>
👎Deprecated: renamed to IOSurfaceRef::value
Available on crate features IOSurfaceRef and objc2-core-foundation only.