No, these services and features are coded in VP as far as I know, not C or any other language
That would Not be good. A quick look at TAO's website...TAO intent "intent is a binary portable platform, independent of programming language, operating system and processor, so the content, which can be written in C, C++,"...
Developers with vast experience in C/C++, but little knowledge of intent, would be wise to first prototype your application in C/C++, then later if needed optimise it for VP asm.
Check out this 'Made with Intent' website...