How to retrieve text displayed for a proto_item ?

[Teto <mattator () gmail com>]

Hi everybody,

Easy question despite I couldn't find the answer. Here is an example -
not a real one - of what I would like to do:

proto_item* pi = proto_tree_add_text(tree, tvb, offset, 4, "Sub-tlvs number" );
col_add_fstr(cinfo, COL_INFO, "test: %s" ,
get_displayed_text_of_proto_item(pi) );

It woud ideally display  "Sub-tlvs number" in COL_INFO part. So what's
the equivalent for "get_displayed_text_of_proto_item(pi)". I tried
with PITEM_FINFO(subtree)->hfinfo->name but seems like the wrong part
(displayed nthg).

Regards
Matt
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