Hi,

In message "Re: rb_cObject vs. rb_cData"
    on Fri, 4 Mar 2005 06:23:55 +0900, Nikolai Weibull <mailing-lists.ruby-talk / rawuncut.elitemail.org> writes:

|OK, what's the deal with rb_cData?  When do I use it?

When you want to wrap C pointer into Ruby object in a C extension for
Ruby, and have no need to define any data specific behavior.  To tell
the truth, it's not much useful.

							matz.