al_register_assert_handler(3) al_register_assert_handler(3)

al_register_assert_handler - Allegro 5 API

#include <allegro5/allegro.h>
void al_register_assert_handler(void (*handler)(char const *expr,
   char const *file, int line, char const *func))

Register a function to be called when an internal Allegro assertion fails. Pass NULL to reset to the default behaviour, which is to do whatever the standard assert() macro does.

5.0.6, 5.1.0

Allegro reference manual