Provided by: allegro5-doc_5.2.3.0-1_all 
NAME
al_get_event_source_data - Allegro 5 API
SYNOPSIS
#include <allegro5/allegro.h>
intptr_t al_get_event_source_data(const ALLEGRO_EVENT_SOURCE *source)
DESCRIPTION
Returns the abstract user data associated with the event source. If no data was
previously set, returns NULL.
SEE ALSO
al_set_event_source_data(3alleg5)