about how to create a function named of gtk_button_ellipse_new_with_label()?

[黃慶 Kason Huang <kasonhuang kinposh com cn>]

Title: about how to create a function named of gtk_button_ellipse_new_with_label()?

hello:
could anyone tell me the inheritence of the gtk.
if i want to create a function named gtk_button_ellipse_new_with_label(),how to do that?
for gtk is writed with c not c++,in c++ you could incapsuate a ellipsebutton class by rewriting the virtual function in the button class

could any know?
Thanks in advance.
kason