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NAME
       ALLEGRO_EVENT_TYPE_IS_USER - Allegro 5 API


SYNOPSIS
              #include <allegro5/allegro.h>

              #define ALLEGRO_EVENT_TYPE_IS_USER(t)        ((t) >= 512)


DESCRIPTION
       A  macro  which  evaluates  to  true  if  the  event  type is not a builtin event type, i.e. one of those
       described in ALLEGRO_EVENT_TYPE(3alleg5).

Allegro reference manual                                                     ALLEGRO_EVENT_TYPE_IS_USER(3alleg5)