headers for the system dlls

[CalamityJake]

Hi,
Does anybody know how can I get a header for a system dll. For example I'm interested in the functions exported by ntprint.dll. I found in MSDN some info on how to use it with rundll32 but it was only an example. Where can I find some reference about ntprint.dll's (or the other system dlls') exported functions? I mean not only the names, but the prototype too :)
Thank you in advance

[Graham]

The function descriptions in MSDN usually give you all the relevant information at the bottom, including the correct header file.

He who breaks a thing to find out what it is, has left the path of wisdom - Gandalf

[CalamityJake]

Yeah, but if you look with Depends at my ntprint.dll, it has exports that I couldn't find documentation for in MSDN. Where are they described then?

[Graham]

Maybe they're private to Microsoft code and they don't want you to use them....

He who breaks a thing to find out what it is, has left the path of wisdom - Gandalf