TYPEMAP
struct TreeRBXS*        O_TreeRBXS
struct TreeRBXS_item*   O_TreeRBXS_item

INPUT
O_TreeRBXS
    $var= TreeRBXS_get_magic_tree($arg, OR_DIE);

INPUT
O_TreeRBXS_item
	$var= TreeRBXS_get_magic_item($arg, OR_DIE);

OUTPUT
O_TreeRBXS_item
	$arg= TreeRBXS_wrap_item($var);
