TYPEMAP
struct TreeRBXS*        O_TreeRBXS
struct TreeRBXS_item*   O_TreeRBXS_item
struct TreeRBXS_iter*   O_TreeRBXS_iter

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);

INPUT
O_TreeRBXS_iter
	$var= TreeRBXS_get_magic_iter($arg, OR_DIE);

#OUTPUT
#O_TreeRBXS_iter
#	$arg= TreeRBXS_wrap_iter(aTHX_ $var);
