iconv_finish      126 ext/iconv/iconv.c static VALUE iconv_finish _((VALUE self));
iconv_finish      666 ext/iconv/iconv.c 	return rb_ensure(rb_yield, self, (VALUE(*)())iconv_finish, self);
iconv_finish     1168 ext/iconv/iconv.c     rb_define_method(rb_cIconv, "close", iconv_finish, 0);