Function CFFileDescriptorCreate

pub unsafe extern "C-unwind" fn CFFileDescriptorCreate(
    allocator: Option<&CFAllocator>,
    fd: CFFileDescriptorNativeDescriptor,
    close_on_invalidate: bool,
    callout: CFFileDescriptorCallBack,
    context: *const CFFileDescriptorContext,
) -> Option<CFRetained<CFFileDescriptor>>

Available on crate features CFBase and CFFileDescriptor only.