Works like a wonder, thank you very much! > D> void Init_cRubyTest() { > D> cRubyTest = rb_define_class("Test", rb_cObject); > > rb_define_attr(cRubyTest, "myvar", Qtrue, Qfalse); > > D> rb_define_method(cRubyTest, "initialize", t_init, 0); > D> rb_define_method(cRubyTest, "add", t_add, 1); > D> rb_define_method(cRubyTest, "change", t_change, 0); > D> }