#include <allegro5/allegro.h> void al_fclearerr(ALLEGRO_FILE *f)
The standard I/O backend also clears the end-of-file indicator, and other backends should try to do this. However, they may not if it would require too much effort (e.g. PhysicsFS backend), so your code should not rely on it if you need your code to be portable to other backends.
|Allegro reference manual|