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);