How to printf a data in node predraw callback, which is set in ch annel draw callback

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From: Changhee Han (changhee++at++ict.usc.edu)
Date: 06/19/2001 00:31:29

Thank you for kind helps for my previous stupid questions.

I'd like to know how to printf a data in node predraw callback.
The data is set in channel draw callback.

void
my_draw_callback(pfChannel* pfchan, void* _userData) {
.....
mode = 2;
pfDraw();
.....
}

void
color_texture_nodepre_callback(pfTraverser* _trav, void* _userData){
printf(...); //mode = 2
}

Thanks in advance,
changhee

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