al_identify_bitmap_f3
Allegro 5 api
Usage
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#include <allegro5/allegro.h> char const *al_identify_bitmap_f(ALLEGRO_FILE *fp)
Overview
Tries to guess the bitmap file type of the open ALLEGRO_FILE by reading the first few bytes. By default Allegro cannot recognize any file types, but calling al_init_image_addon(3) will add detection of (some of) the types it can read. You can also use al_register_bitmap_identifier(3) to add identification for custom file types.
Returns a pointer to a static string with a file extension for the type, including the leading dot. For example “.png” or “.jpg”. Returns NULL if the bitmap type cannot be determined.
Since
5.1.12