active_dialog - Global pointer to the most recent activated dialog. Allegro game programming library.

       Global  pointer  to  the  most  recent activated dialog. This may be useful if an object needs to iterate
       through a list of all its siblings.

       active_dialog - Global pointer to the most recent activated dialog. Allegro game programming library.

do_dialog(3alleg4), init_dialog(3alleg4), broadcast_dialog_message(3alleg4)

Allegro                                           version 4.4.3                           active_dialog(3alleg4)

#include<allegro.h>externDIALOG*active_dialog;