Which functions in libvlc or libvlccore to start streaming?

[GEFORCEXTREME]

Hi, let's say I want to make a client VLC connect to a VLC server to ask it to start sending a new stream at 5s from the start so that the client can play the new stream. How do I do that?

I would prefer to edit and/or use VLC functions codes and then re-"make" to change VLC instead of using libvlc because I'm not writing something new but just need those features on VLC. I think it might use functions like input_Create, input_Start and many other functions in an order unknown to me. Can someone please guide me.

Thank you.