al_get_sample_depth - Allegro 5 API

       Return the audio depth of the sample.

       al_get_sample_depth - Allegro 5 API

ALLEGRO_AUDIO_DEPTH(3alleg5),      al_get_sample_channels(3alleg5),     al_get_sample_frequency(3alleg5),
       al_get_sample_length(3alleg5), al_get_sample_data(3alleg5)

Allegro reference manual                                                            al_get_sample_depth(3alleg5)

              #include <allegro5/allegro_audio.h>

              ALLEGRO_AUDIO_DEPTH al_get_sample_depth(const ALLEGRO_SAMPLE *spl)