Can someone give me an example of the SNAME type ?

[Rivka Miller]

The following page describes it

http://cims.nyu.edu/cgi-systems/info2html?%28elisp%29Writing%2520Emacs%2520Primitives

and this page has a pretty format

http://xahlee.org/elisp/Writing-Emacs-Primitives.html#Writing-Emacs-Primitives

Some concrete examples could clarify the basic idea to a point where I
can write my own function with an idea of whats going on in the
background.

My school does not allow posting from the usenet, so I must use google.