script needed

prim a, prim b and prim c
prim a is an on/off button to rezz prim c which is attached to prim b
prim b will be able to be moved around manually, naturally
prim b needs to have a rezzable prim(c) attached to it that would always rezz in the same relative position to prim b

for instance, prim b has a face facing north and prim c rezzs north by cliking prim a (prim a is unlinked to other prims), I manually turn prim b to face south and prim c will now face south when rezzed
prim c would have to be able to completely rezz and unrezz by clicking prim a.
any of this make sense?
Thanks in advance and I apologize for my lack of scripting knowledge (or time to learn).

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Why bother with rezzing prim C? just make it visible / invisible on command.
Is prim A attached to Prim B/C or is it totally seperate?

If A is attached then just use llSetLinkAlpha, if not you will need a listen in prim B or C.

That's how I originally made it and it works great that way except it creates an invisible phantom "wall" which I can not have, people need to click through that air space. I don't care if that "wall" is there when prim c is rezzed but it can not be there when it's not rezzed.
And no, prim a is not attached to anything.

Fair enough, just making sure we wheren't trying to over complicate things.
You could always change the size and position of Prim C so that its 'hidden' inside Prim B.

If not then you will need to rez the prim using llRezObject() and then link it to Prim B.
You use the object_rez event handler for this, i.e.

object_rez(key id)
{
    llCreateLink(id, 1); // We are the parent.
}

When you want to unrez the object you will need to break the link using llBreakLink(integer num) and then a changed handler in the object to cause it to kill itself.

changed(integer change) 
{
    if (change & CHANGED_LINK) // linked/unlinked/sat on
    {
        if (llGetLinkNumber() == 0) // now i'm a single prim linked to nothing
            llDie(); // so i die
    }
}